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 !

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