NanoSound AMP^2 (AMP Square)擴大器模組 擴充板
NanoSound Amp^2 為 NanoSound DAC 的擴充板,功能包括 耳機放大器 以及 5W 揚聲器放大器。整個裝置(Raspberry Pi + NanoSound DAC + NanoSound MiniAmps) 由一條 microUSB 線供電。
影片來源:https://www.youtube.com/watch?v=sE0zlzutEdA
《規格》
- Switch On/Off via onboard bottons on the NanoSound DAC
- Onboard relay rated up to 2A
- Powered by single microusb or individually
- 4 layered PCB designed to eliminate internal interference from Pi
Headphone Amp
- Input Voltage: 5V
- Output Power: 24mW @20Ω, 22mw @32Ω
- Signal-To-Noise Ratio (SNR): 100db @20mW
- Total Harmonic Distortion + Noise (THD+N): 0.01% @25mW
Speaker Amp
- Input Voltage: 5V
- Output Power: 5W @2Ω, 3W @4Ω
- Efficiency: 90% @8Ω , 85% @4Ω, 80% @2Ω
- Signal-To-Noise Ratio (SNR): 90db
- Total Harmonic Distortion + Noise (THD+N): 0.15%
* 注意:本商品不包含 Raspberry Pi 3、SD card、NanoSound DAC !
《新聞》