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Raspberry Pi 4 Model B/3B+/3B HIFI DAC Full-HD Class-D Amplifier Sound Card,X450 Audio Expansion Board Raspberry Pi Music Player

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446
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[Overview]

  • This is the new released DAC+AMP Expansion Board, it can use with Raspberry Pi 4 Model B / 3 Model B+ Plus / 3B / 2B / B+

[Power Supply Recommend]

[WiKi for Reference]

​[Features]

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Item Description
Compatible with Raspberry Pi 1 Model
B+/ 2 Model B / 3 Model B / 3 Model B+
Operating System Moode
Audio Player
OSMC
Openelec
Raspbian Jessie
Volumio
Pi Core Player
Key Features Full-HD
audio – up to 24-bit/192kHz playback
Audiophile ESS Technology Sabre premier stereo DAC ES9023
ES9023 delivers jitter-free studio quality audio with 112dB DNR
Built in High quality Class-D stereo audio amplifiers (TI TPA3116D2
x2)
Up to 2×100W Into a 4-Ω BTL Load at 21Vdc
Capable of driving 4 Ohm speakers (also works with higher impedance
speakers)
Uses the Texas Instruments ultra-low-noise voltage regulator (output
noise< 10μVRMS)
Uses the Texas Instruments high efficiency step-Down DC converter (up to
95%)
6V~26Vdc converted to 5.1V, 3A to power the Raspberry Pi
Uses the genuine ALPS RK163 series potentiometer for smooth volume
adjustment
Built in high quality IR sensor (Vishay -the world’s leading supplier of
infrared receivers)
Onboard 3.5mm stereo headphone jack allowing audio input form other audio
devices
Onboard pluggable speaker & power screw terminals
Onboard PH2.0 connector allowing to connect a lighted power switch
Onboard XH2.54 connector providing 5V output to power other devices
Onboard gold-plated high-current DC power jack (5.5×2.5mm)
Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
Connects directly to the Raspberry Pi – No wiring required
Powers the Raspberry Pi – no additional power supply
Reserved Raspberry Pi GPIO pin header (2x13Pins)
Pop-noise can be improved by enabling GPIO control
AMP can be enabled / disabled with jumper link
Heat-sink attached to amplifiers for perfect heat dissipation
Specification Power
supply: 6-26Vdc,≥3A recommended
GPIO used : LRCK – IO19, BCK – IO18, DATA – IO21, IR – IO26, AMP mute –
IO22
Analog audio input level via onboard headphone jack : 2V RMS
Amplifier max output power: 2×100W at 4Ω BTL Load at 21Vdc
Resolution/Sampling Rate: upto 24bit / 192KHz (Raspberry Pi I2S)
PCB size 87 x 56mm
Note WARNING:

Do not apply power to your Raspberry Pi via the PI’s Micro USB socket.

[Packing List]

  • 1 x X450 DAC+AMP Expansion Board
  • 1 x Installation screw pack

SHIPPING AND DELIVERY

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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

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Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

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We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

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For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

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If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of GKStore24.com (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of www.gkstore24.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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