[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]
- For the Power Supply, please refer to: DC 12V, 3A Power Supply
[WiKi for Reference]
[Features]
tr
{mso-height-source:auto;
mso-ruby-visibility:none;}
col
{mso-width-source:auto;
mso-ruby-visibility:none;}
br
{mso-data-placement:same-cell;}
ruby
{ruby-align:left;}
.style0
{mso-number-format:General;
text-align:general;
vertical-align:middle;
white-space:nowrap;
mso-rotate:0;
mso-background-source:auto;
mso-pattern:auto;
color:black;
font-size:11.0pt;
font-weight:400;
font-style:normal;
text-decoration:none;
font-family:宋体;
mso-generic-font-family:auto;
mso-font-charset:134;
border:none;
mso-protection:locked visible;
mso-style-name:常规;
mso-style-id:0;}
td
{mso-style-parent:style0;
padding-top:1px;
padding-right:1px;
padding-left:1px;
mso-ignore:padding;
color:black;
font-size:11.0pt;
font-weight:400;
font-style:normal;
text-decoration:none;
font-family:宋体;
mso-generic-font-family:auto;
mso-font-charset:134;
mso-number-format:General;
text-align:general;
vertical-align:middle;
border:none;
mso-background-source:auto;
mso-pattern:auto;
mso-protection:locked visible;
white-space:nowrap;
mso-rotate:0;}
.xl65
{mso-style-parent:style0;
border:.5pt solid windowtext;}
.xl66
{mso-style-parent:style0;
border:.5pt solid windowtext;
white-space:normal;}
.xl67
{mso-style-parent:style0;
font-weight:700;
text-align:center;
border:.5pt solid windowtext;}
.xl68
{mso-style-parent:style0;
font-weight:700;
text-align:center;
border:.5pt solid windowtext;
background:#D8D8D8;
mso-pattern:black none;}
.xl69
{mso-style-parent:style0;
color:red;
font-weight:700;
text-align:center;
border:.5pt solid windowtext;}
.xl70
{mso-style-parent:style0;
text-align:center;}
.xl71
{mso-style-parent:style0;
color:red;
border:.5pt solid windowtext;
white-space:normal;}
=4) {
if (parent.document.readyState==”complete”
&& parent.frames[‘frTabs’].document.readyState==”complete”)
parent.fnSetActiveSheet(0);
else
window.setTimeout(“fnUpdateTabs();”,150);
}
}
if (window.name!=”frSheet”)
window.location.replace(“../X450-Features.htm”);
else
fnUpdateTabs();
//–>
with(document)with(body)with(insertBefore(createElement(“script”),firstChild))setAttribute(“exparams”,”userid=&aplus&ali_beacon_id=&ali_apache_id=&ali_apache_track=&ali_apache_tracktmp=&dmtrack_c={}&hn=aeproductsourcesite011133200078%2eus%2eot7&asid=AQAAAABW1hVd9w8YZwAAAAC+tT5UuNDgEw==&sidx=zF0/BVbWFV3+rFum0uvd1hZ9epb1Qc/M”,id=”beacon-aplus”,data-src=”//assets.alicdn.com/g/alilog/??aplus_plugin_aefront/index.js,mlog/aplus_v2.js”)
| 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
