See the knowledge base for more information. Das würde ich aber gern ggf. In this case the speakers are the limiting factor on sound quality. This makes it ideal for things like internet radios, but not for something like a full blown hifi setup. Footer. Note that … For this use case HfiBerry has built the MiniAmp, that fits perfectly onto a Raspberry Pi Zero. Anyone who can help out here? HiFiBerry team. Even if you do, it will be gone after the next update as an update will replace the full filesystem. The HiFiBerry MiniAmp only outputs 3W of power. more informations: in the Raspi-config: "7 Advanced options" --> "A4 Audio Force Audio out through HDMI or 3.5mm jack" --> "choose the audio … das Skript zur Ansteuerung der LEDs. !default { type hw card 0 } ctl. Always Upgrade and Update. #dtparam=audio=on dtoverlay=hifiberry-dac 11,90 € = Gesamt: 59,91 €* inkl.MwSt. pcm.hifiberry {type softvol slave.pcm "plughw:0" control.name "Master" control.card 0} pcm. WiFi -> n. PCM as iFace -> no, should be „Master“ (if you use a HiFiBerry MiniAmp) mpd -> y. default locations -> y. 15,19 € Raspberry Pi Zero W . I used a Pi 3 and a pair of small … add: für MiniAmp: dtoverlay=hifiberry-dac . HiFiBerry MiniAmp. Anpassen von /etc/asound.conf: pcm.hifiberry { type softvol slave.pcm "plughw:0" control.name "Master" control.card 0 } pcm. Subdevice #0: subdevice #0. !default { type hw card 0 } Diagnose: dtdebug=1. Click on a tag to select/unselect documents for a specific topic. The footprint matches the Pi Zero, but you can just as well use it on the full size boards. Index: RHF-07927 EAN: 4260439550415. An alternative might be to use Max2Play where all this configuration has been done already. Can be purchased in the shop Botland. It seems like Phoniebox setup is changing something in the sound setup or am I overseeing something in the asound.conf? I have tried to overwrite boot/config - but then it looks that I do not have volume control. As is usually the case someone’s run into this before. 19% VAT, excl. Depending of the board you’re using it will show another HiFiBerry sound card (DAC,DAC+, Digi or Amp) Device not recognised? DRAFT - not finished. EAN/GTIN: 4260439550415. Compatible with: Raspberry Pi A+/B+/2B/3B/3B+/4B+/Zero. Sometimes it just has to be small. Hi, the MiniAmp does not … The fix is easy when you know how – just add another line to /boot/config.txt so you end up with something like: As before you’ll need to reboot for these to take effect. Case for HiFiBerry MiniAmp and Raspberry Pi Zero - black available in the category: Cases for Raspberry Pi. They won’ t be winning any awards, but they’ll be fine for playing a voice. €14.99. Vor der Installation des MiczFlor Scripts erst sicherstellen dass der HifiBerry tut (mit speaker-test). pcm.hifiberry {type softvol slave.pcm "plughw:0" control.name "Master" control.card 0} pcm. certbot and Let's Encrypt. So I thought the speaker might be the problem, but that one works on a different amplifier well. I hope i'm understable...? Some users have reported problems with MP3 playback of mplayer. Hifiberry MiniAmp installieren. HiFiBerry installation is very simple, you just need to insert a memory card into the card reader of the computer, then run the configuration program and select the appropriate board and the operating system. Start the first part of the installation with another y and wait some time. Conclusion. pcm.hifiberry { type softvol slave.pcm "plughw:0" control.name "Master" control.card 0 } pcm. The HiFiBerry MiniAmp is a … Du bist sicher du hast kein anderes Script … I’m having the same problem using a Raspberry Pi Zero W + HiFiBerry MiniAmp. In den Warenkorb . Quick and easy assembly. mit Volumio, geeignet sind, ist auch für sie die Ausrüstung mit einem hochwertigen DAC interessant. 1 Reply Last reply Reply Quote 0. Setup MotionEye Raspberry Pi. Since both devices are the same size, I stacked them on top. Shipping Cost. Hardware installation If you use our boards with a newer Raspberry Pi that features the 40-pin header, the installation is very easy: Just plug the board onto your Raspberry Pi. für Amp + dtoverlay=hifiberry-amp . Check if it works. Ich hab übrigens anfangs genau mit dem gleichen Problem gekämpft und bei mir waren es immer GPIO Konflikte. If you’ve dealt with linux audio before you’ll know that usually ALSA (the sound system) takes care of converting the supplied audio to a format that the driver can accept. I downloaded version 3.11 from the download page, copied to a MicroSD card, connected a network cable to the Pi and booted. By default piCorePlayer uses the onboard mini-jack for output, so you need to go to the ‘Squeezelite settings’ tab and select ‘HifiBerry DAC+ Lite’ in the ‘Audio Output’ dropdown and save. But, it does seem to control the output volume when using the MiniAmp. This way, Max2Play can guarantee a satisfying and hassle-free experience. Raspberry Pi Projects. Adapting the config for the MiniAmp. GPIOs 18-21 (pins 12, 35, 38 … Pulling it low mutes the output. Add to Compare. Dafür verwende ich einen Raspberry pi 3b ein 3.5 zoll spi display und einen hifiberry miniamp. /etc/asound.conf. That’s All! einfügen: pcm. Gehäuse für HiFiBerry MiniAMP und Raspberry Pi Zero, schwarz . A while back HifiBerry gave us a MiniAmp to play with – thanks guys! If there … Configure device tree overlay file. We tried to setup with the current Raspbian Pi OS like several guides - including your own - said and couldn't get it to work. If you can find the Tivoli at a good price, the system is simple to implement and is perfect coupled with … #dtparam=audio=on dtoverlay=hifiberry-dac Set up software volume control. HiBerry Amp 2 Pins used: I2C (GPIO 2, 3) SDA and SCL pins 3 and 5 are used to control the HiBerry Amp 2; GPIO 4 is used to control the MUTE function of the power stage. Installation is a simple matter of pressing it onto the pin headers, and attaching speakers to the terminals. Neben den obligatorischen GND-, 3.3V- und 5V-Pins sind am MiniAmp nur folgende Pins tatsächlich belegt: Pin 12 (GPIO 18, PCM_CLK): I2S-BCLK. The speakers just have to be connected directly to the board, which makes it an ideal module for low-profile applications where the power of our Amp+ is not needed. Set the hifiberry-dac as a dt overlay, for activating the device. However, when I plug miniamp it can not detect in alsamixer. This is our smallest amplifier board, designed for the Raspberry Pi Zero. Wird oft zusammen gekauft: HiFiBerry MiniAmp . Some users have reported problems with MP3 playback of mplayer. … We found the FLAC format to be best supported by mplayer. It’s easy to miss the bit about aplay not converting to formats natively supported by the driver though, which is a problem if you try testing with something like: This won’t work and neither will the usual speaker-test program, because the files are mono. It detects the correct board, but there is … Install extensions in "Main Page" via Button "Extensions" from piCore repository: python3.6 + python-RPi.GPIO; from piCorePlayer repository: w1; Select proper audio output "HiFiBerry DAC Zero/MiniAMP" in "Squeezelite Settings" Change "Name of your player" to your desired "
" in "Squeezelite Settings" Set "Power On/Off GPIO" to "16" and toggle "Active High" for muting the MiniAMP in … Old Status Updates. to your config.txt. Totally open to the possibility that I did this wrong! Ich habe einen Hifiberry Miniamp verbaut, und ausschließlich Taster für prev, play, next, voldown, volup, dazu noch ein OLED und das OnOffShim und nun, nach mehreren Versuchen bei der letzten Installation noch nicht(!) Veröffentlicht am Januar 12, 2018 Januar 12, 2018 von marthinx. the MiniAmp does not have an ALSA volume control. deutsche Version folgt anschliessend an den englischen Text Dear open source friends The background: I recently purchased the hifiberry amp+ amplifier to surprise my girlfriend with a small music system, including home-made speakers (speaker kit). compare prices for HiFiBerry MiniAmp Product info ⇒ Platform: raspberry Pi 1 A+, raspberry Pi 1 B+, raspberry Pi 2, raspberry Pi 3, raspberry Pi 3 B+, raspbe… Extensions Product tests Buy inexpensively Installation Betriebssystem; Hifiberry MiniAmp einrichten; Jukebox4Kids / Phoniebox installieren; Installation OLED-Display; Buttonsteuerung; Installation OnOffShim; Installation Buttons LED Service; Hardware gefriemel. Anyone who can help out here? Boxen „auseinander nehmen“ Rfid-Reader zerlegen und „leiser machen“ Der Bau der Box. card 0: sndrpihifiberry [snd_rpi_hifiberry_dacplus], device 0: HiFiBerry DAC+ HiFi pcm512x-hifi-0 [] Subdevices: 1/1 . Ich habe einen Hifiberry Miniamp verbaut, und ausschließlich Taster für prev, play, next, voldown, volup, dazu noch ein OLED und das OnOffShim und nun, nach mehreren Versuchen bei der letzten Installation noch nicht(!) The MiniAmp is a combined DAC and 3W Class D stereo amplifier. Man muss die /etc/mpd.conf nicht manuell ändern, die Angabe von "Master" als iFace beim Installationsscript ist alles was man tun muss. MPD players says „problems setting volume“. The HiFiBerry DAC Zero is a high-quality digital-to-analog converter for the Raspberry Pi Zero (but works also on all newer models with 40 pin GPIO connector). Sometimes it just has to be small. Keterelyon last edited by . das Skript zur Ansteuerung der LEDs. Installation is a simple matter of pressing it onto the pin headers, and attaching speakers to the terminals. However, when I plug miniamp it can not detect in alsamixer. It can be used not only with the Raspberry Pi Zero, but also with the bigger Raspberry Pi B+/2 and 3. You also need to uncomment the default audio. After … The Amp is capable of driving a pair of 4-8 Ohm speakers and provides up to 2x3W output power. 0,79 € Gehäuse für HiFiBerry MiniAMP und Raspberry Pi Zero, schwarz . Afterwards, we tried with a fresh install of HifiBerry OS. The HiFiBerry MiniAmp is a tiny, highly efficient Class-D power amplifier for the Raspberry Pi Zero, but also works with the bigger Raspberry Pi B+/2 and 3. We wanted to use it for something in the Silk Mill, but as playing music in there isn’t really on (at least in the normal course of events) we needed to find something else. HiFiBerry MiniAmp: Amazon.sg: Electronics. speaker-test -D hifiberry -c 2 and speaker-test -c 2 does not deliver any sounds, neither does the phoniebox gui. Webinterface ist allerdings. Image microSD card with MotionEye OS. Qty. If there is a hardware conflict in your setup I can provide 2 solutions to solve the problem: If you want to use buttons in your setup modify the original gpio python script I’ve used piCorePlayer before, and it’s supposed to support the HifiBerry boards, so it seemed an ideal first test. Incl. It seems like Phoniebox setup is changing something in the sound setup or am I overseeing something in the asound.conf? Ver más ideas sobre proyectos electronicos, circuito electrónico, electrónica. I chose „HiFiBerry Dac+ Light“ as the Hifi Berry driver and also configured the MPD player as stated above. Once rebooted it played through the speakers, exactly as expected. The installation asks you some stuff. Contribute to hifiberry/hifiberry-os development by creating an account on GitHub. 18-nov-2020 - Explora el tablero de Eduardo Jiménez "Hifiberry" en Pinterest. Add to Cart. nachholen. Best Sellers Today's Deals Prime Video Customer Service Books Today's Deals Prime Video Customer Service Books You need to do this in your player application or configure the ALSA softvol module. Configure device tree overlay file. https://www.hifiberry.com/build/documentation/adding-software-volume-control/. Other Projects. Gehäuse (Case), schwarz matt, für Raspberry Pi Zero/ Zero W und die HiFiBerry MiniAMP Soundkarte Gehäuse (Case) HiFiBerry MiniAmp - schwarz B-Ware | shop.max2play.com JavaScript seems to be disabled in your browser. The footprint matches the Pi Zero, but you can just as well use it on the full size boards. This one is a quick intro to the MiniAmp, and the trickier parts of using it with text to speech engines like festival. WiFi -> n. PCM as iFace -> no, should be „Master“ (if you use a HiFiBerry MiniAmp) mpd -> y However, when I plug miniamp it can not detect in alsamixer. It seems, that the MP3 codec is not installed by default on all systems. In case of the Hifiberry miniamp and possibly in your case there is a hardware conflict between the original button's pinning and the sound card. 20,90 € Raspberry Pi Zero WH . 11,13 € Kupferlitze isoliert, 1x0,14mm, 10m schwarz . This guide shows how to create a Let's Encrypt certificate using certbot and hwo to use the … Account & Lists Account Returns & Orders. HiFiBerry MiniAmp jetzt günstig in der BerryBase kaufen ★ Kostenloser Versand ab 29€ ★ Autorisierter Raspberry Pi Reseller ★ Trusted Shop zertifizier… This is HiFiBerrys smallest amplifier board, designed for the Raspberry Pi Zero. So you could have a streamer and DAC for just US $70 or so. Einbau HifiBerry DAC. Der HifiBerry DAC ist kompatibel zu den älteren Raspberry Pi-Modellen A und B. Da auch diese - trotz schwächerer Rechenleistung und kleinerem Arbeitsspeicher - sehr gut als Streaming-Client, z.B. Ich habe, da ich mir nicht sicher war ob ich nicht auch … I have tried to install HiBerry miniamp on Raspberry 3, raspbian 9.3. It is possible that this is used instead of the MiniAmp. HIGH ALTITUDE BALLOON PROJECT IN DERBY – Fortnightly Project Meeting →, Capturing USB communications to reverse engineer a driver, Derby Makers – Balloon Project Update – 1st Flight Aug 25th, Making a tent footprint from a cheap tarpaulin. Viewing 2 posts - 1 through 2 (of 2 total) Back to forum. This makes it ideal for things like internet radios, but not for something like a full blown hifi setup. I downloaded version 3.11 from the download page, copied to a … HiFIBerry MiniAMP. One idea was something to speak a bit about the things in the Maker Cabinet, but we’ll save that for another article. Hifiberry MiniAmp installieren – Marthinx's Tech Zone. 1 comment 0. Use the Multiroom Audio Configurator to get the right hardware. I want to run a new miniAMP on a new Raspberry Pi 4 with this speaker. This is HiFiBerrys smallest amplifier board, designed for the Raspberry Pi Zero. … Something like: © 2021 Derby Makers. HiFiBerry team May 08, 2018 04:28. It seems, that the onboard sound card is still configured. Quick test as a media player. I am not sure whether I installed the Miniamp correctly on the Raspberry Zero. See the knowledge base for more information. The unit was purchased and drop shipped to me by a kind member. Thanks, HiFiBerry HiFiBerry team (HiFiBerry) Dec 6, 13:26 CET Yes. To inform linux about the hifiberry miniamp we need to add it to the config.txt. !default { type plug slave.pcm "hifiberry" } Nach dem Reboot müsste das nun so aussehen: aplay -l **** List of … space and hole pattern for Raspberry Pi (3, 4, zero) an HifiBerry (amp, amp2, clone, amp, miniamp) metal ensat (optional) so you have a clean look a can mount transparent side panels option to mount the speakers together (“stereo”) hole pattern for VESA 75 mount back panel, so you can reach the PCB’S without touching the side panels added a hole for the speaker cable added side panels for … Theme WPBoot by Just Free Themes. They were extremely helpful and this is what they came back with. I started with the Raspbian Jessie Lite image since I wasn’t intending to use a GUI, and it’s a smaller download. We tried to setup with the current Raspbian Pi OS like several guides - including your own - said and couldn't get it to work. The HiFiBerry MiniAmp is a tiny, highly efficient Class-D power amplifier for the Raspberry Pi Zero (but works also on all newer models with 40 pin GPIO connector). Als ich das zuvor machte, funktionierten die LEDs wunderbar - auch das Display tat es und letzteres tut es auch … Building a Logitech Media Server using a Raspberry Pi and HifiBerry DAC. Originally I started this page as a log book for myself. The HiFiBerry DAC+ Pro distinguishes itself from the lower cost versions by having dual clocks to produce low jitter performance. I’ve used piCorePlayer before, and it’s supposed to support the HifiBerry boards, so it seemed an ideal first test. HiFiBerry MiniAmp for Raspberry 4B/3B+/3/2/B+/A+/Zero. Hello Select your address All Hello, Sign in. config.txt contains only the dtoverlay=hifiberry-dac. If I plug AMP2 everything looks ok, and is detected through alsamixer. I select 1 snd_rpi_hifiberry_dacplus and I can See playback and capture volume for my Hifiberry card...but I can't select it. Ich habe vom HifiBerry MiniAmp einen Stromlaufplan gezeichnet, das könnte an dieser Stelle auch interessant sein: Stromlaufplan HifiBerry MiniAmp 1.0. /etc/asound.conf. Dort kann ich aber auch keine Musik starten. You need to integrate additonal software via the Buildroot build system. Install extensions in "Main Page" via Button "Extensions" from piCore repository: python3.6 + python-RPi.GPIO; from piCorePlayer repository: w1; Select proper audio output "HiFiBerry DAC Zero/MiniAMP" in "Squeezelite Settings" Change "Name of your player" to your desired "" in "Squeezelite Settings" Set "Power On/Off GPIO" to "16" and toggle "Active High" for muting the MiniAMP in … thx a lot! The HiFiBerry MiniAmp is a tiny, but highly efficient Class-D power amplifier for the Raspberry Pi Zero, but also works on all newer models with a 40 pin GPIO connector. I have no clue what to do next. However, since the 2x20 pins are symmetric, it would also be possible to rotate one device by 180° (meaning the Miniamp … Write review Remove from wishlist Add to wishlist Shield, type Hat for Raspberry, version 4B, 3B+, 3B, 2B, A+, B, Zero with a built-in class D amplifier with a power of 3 W. The device supports speakers with an impedance of 8 Ω, it works with … Depending of the board you’re using it will show another HiFiBerry sound card (DAC,DAC+, Digi or Amp) Having problems? Set the hifiberry-dac as a dt overlay, for activating the device. It detects the correct board, but there is also no sound. The howto page explains the process. You also need to uncomment the default audio. HiFiBerry MiniAmp. This is HifiBerry's smallest amplifier board, designed for the Raspberry Pi Zero. It can be used not only with the Raspberry Pi Zero, but also with the bigger Raspberry Pi B+/2 and 3. Produktinformationen "HiFiBerry MiniAmp" This is HiFiBerrys smallest amplifier board, designed for the Raspberry Pi Zero. I want to run a new miniAMP on a new Raspberry Pi 4 with this speaker. There is so much to configure! I am having trouble getting the volume control to work with Hifberry miniamp and a Raspberry Zero. Boxen „auseinander nehmen“ Rfid-Reader zerlegen und „leiser machen“ Der Bau der Box. usually dispatched within 24 hours (1 In stock) In stock. This topic contains 1 reply, has 2 voices, and was last updated by Heiner Moderator 1 year, 1 month ago. Der Miniamp hat soweit auch direkt funktioniert. Slim case for the Raspberry Pi Zero and the HiFiBerry MiniAmp. It turns out that memory mapping is required by the plugins in ALSA that do the format conversion. Linux distribution optimized for audio playback. This makes the MiniAMP the ideal module for low-profile applications where the power of the Amp+ is not … nachholen. If yes, can you post how you configured the thing? (A regular selection will be added soon) In Logitech Media Server preferences (again, check Stefan’s article), you can set multiple clock alarms for this Tivoli clock and wake up with your favorite playlist. Send Text Message. Der Raspberry Pi ist ein tolles Spielzeug mit vielen Einsatzgebieten, unter anderem das Streaming von Mediendateien im Heimnetzwerk oder aus dem Internet beherrscht er hervorragend. The configuration starts off quite easily following these instructions. Amazon Prime | 30-day free trial. There’s no sound coming out of the attached speaker (Tivoli Dual Alarm). I don't think these dimensions are correct) It is the perfect size for a Smart Doorbell except for the screw in header block, which needs to be removed. Contribute to hifiberry/hifiberry-os development by creating an account on GitHub. Ramblings Future Projects. If you want to assemble one of the HiFiBerry cases that we provide, have a look at our Guides section , where you’ll find assemble instruction for all cases. Max2Play Installation Service Every Max2Play system image is set up exactly according to the individual order: country, language, sound card and license. I have tried to overwrite boot/config - but then it looks that I do not have volume control. Wide range of The Amp is capable of driving a pair of 4-8 Ohm speakers and provides up to 2x3W output power. testen mit. sudo apt-get install mplayer. After saving the setting changes it’ll prompt you to reboot the Pi. HifiBerry MiniAmp: Folgendes in die /boot/config.txt eintragen: dtoverlay=hifiberry-dac Und den onboard auskommentieren: #dtparam=audio=on Ggf. I recommend contacting the … Skip to main content.sg. If I plug AMP2 everything looks ok, and is detected through alsamixer. GPIO usage : GPIOs 18-21 (pins 12, 35, 38 and 40) are used for the sound interface. I’ve tried festival and espeak so far. !default { type plug slave.pcm "hifiberry" } config.txt contains only the dtoverlay=hifiberry-dac. Powerbank fixieren; Rfid-Leser verkleben; Einbau des OLED Displays; Boxen und … sudo vi /boot/config.txt. hab alles nochmal neu aufgesetzt, hifiberry miniamp läuft, Nur bekomme ich nur Töne über den Speakertest oder den VLC Player, Phoniebox läuft nicht. I have tried to install HiBerry miniamp on Raspberry 3, raspbian 9.3. The app will automatically install the operating system with appropriate driver. To inform linux about the hifiberry miniamp we need to add it to the config.txt. This is HiFiBerry's smallest amplifier board, designed for the Raspberry Pi Zero. Pick your speech engine, install it and test it. Be the first to review this product . ALSA konfigurieren: sudo vi /etc/asound.conf. HiFiBerry MiniAmp jetzt günstig in der BerryBase kaufen ★ Kostenloser Versand ab 29€ ★ Autorisierter Raspberry Pi Reseller ★ Trusted Shop zertifizier… This is HiFiBerrys smallest amplifier board, designed for the Raspberry Pi Zero. Mit den HifiBerry-Erweiterungsplatinen verwandeln Sie Ihren RPi in einen hochwertigen Mediaplayer, der ohne Probleme Abtastraten von 192 kHz bei 24 Bit verarbeitet. Hello. Instead you’ll see an error message something like: It also won’t work with text-to-speech programs like festival and espeak as they use mono. The MiniAmp is a combined DAC and 3W Class D stereo amplifier. Facebook; Twitter; LinkedIn; Date Votes. I have tried to install HiBerry miniamp on Raspberry 3, raspbian 9.3. I contacted HiFiBerry. Pin 40 (GPIO 21): I2S-DATA > RPi Zero + HifiBerry MiniAMP, M2P V2.48 läuft nicht. Yes, I was at that exact page, and I'd like to point out that: from the perspective of a first time MiniAmp user, that page by itself was misleading in that it did not mention the MiniAmp anywhere (clearly, doing a search of the page I did find it, but it's quite buried), and the instructions for the Amp were what I guessed first and failed with. HiFiBerry MiniAmp. I used a Pi 3 and a pair of small speakers from some old car phone hands free kits. Recipe for building a high-end media server using Logitech Media Server and a HifiBerry DAC+ Pro, Spotify, using a USB CD/DVD player. Afterwards, we tried with a fresh install of HifiBerry OS. inkl. Posted in: Max2Play on … Installation Software. We found the FLAC format to be best supported by mplayer. Adapting the config for the MiniAmp. 11,90 € = … Case HiFiBerry MiniAmp - black. Actually, I only want to use the hardware as a shairport player. The installation asks you some stuff. sudo vi /boot/config.txt entfernen: dtparam=audio=on add: für MiniAmp: dtoverlay=hifiberry-dac für Amp + dtoverlay=hifiberry-amp testen mit aplay -l ALSA konfigurieren: sudo vi /etc/asound.conf einfügen: pcm. Installation is a simple matter of pressing it onto the pin headers, and attaching speakers to the terminals. Max2Play Home 2016 (en) › Forums › Max2Play on Raspberry PI › RPi Zero + HifiBerry MiniAMP, M2P V2.48 läuft nicht. entfernen: dtparam=audio=on . The HiFiBerry MiniAmp is a very small audio sound card: 1/8 × 1/4 × 1/32 in (??? Den HifiBerry gibt es in verschiedenen Variant… HiFiBerry MiniAmp for Raspberry 4B/3B+/3/2/B+/A+/Zero. This isn’t usually something you need to enable separately, hence the confusion. If I plug AMP2 everything looks ok, and is detected through alsamixer. $ 16.90. Install Apache2. It seems, that the MP3 codec is not installed by default on all systems. Dear all, is anyone successfully running the latest Volumio on Pi Zero W plus Hifiberry Miniamp? Pin 35 (GPIO 19): I2S-SYNC. Versandkosten . The HiFiBerry MiniAmp is a tiny, but highly efficient Class-D power amplifier for the Raspberry Pi Zero, but also works on all newer models with a 40 pin GPIO connector.