Features

Class D Local Amplifier with 20W (AMP-D20)

The AMP-D20 provides 17Wrms (20W max) of audio power to 4Ω (stereo) speakers. Perfect for in-wall/in-ceiling speakers, the AMP-D20 can be mounted on/in walls using the supplied mounting ears. It can also operate in Bridged mode to supply up to 31Wrms (40W max) to an 8Ω speaker.

Features

• Operates in Stereo or Bridged modes (stereo or mono)
• 3.5mm Stereo input
• Quick disconnect screw-terminating plugs for easy installation (power + speaker output)
• Volume adjustment
• Input limiter for higher level audio sources such
• Power indicator

Specifications

• Frequency Response: 35Hz~50kHz (-3dB)
• Input Sensitivity: 330mV (20W 4Ω)
• Input Impedance (Audio): 10k
• Output power:
  • Stereo:
    • 17Wrms (THD 1%) @ 4Ω (20W max)
    • 8.5Wrms (THD 1%) @ 8Ω (10W max)
  • Bridged:
    • 31Wrms (THD 1%) @ 8Ω (40W max)
• S/N: -100dB 1kHz (4Ω)
• Power Input: DC 24V
• Power Consumption: 40W (15W 1% 4Ω)
• Dimension (WHD): 143 x 68 x 45mm
• Weight: 600g

FAQs

What is the function of the Limiter?

When using a higher output audio source, such as an iPhone, distortion may be caused, so when input signal is more than 12W, switching "Limiter" on can avoid the distortion. (However, when the input signal lower than 12W, then it doesn't matter whether you set the Limiter On or Off)

Downloads

pdf; 340kB AMP-D20 Sell sheet

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