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SoundTube - SA202-RDT - 20-Watt per Channel Class AB Mini Amplifier

SoundTube - SA202-RDT 20-Watt per Channel Class AB Mini Amplifier

The SA202-RDT is a 20-watt per channel (40hm) Class AB amplifier with maximum gain of 35 DB. Input options include dual RCA jacks and a stereo mini jack for line level audio sources and a speaker-level input for applications with low wattage speaker outputs (e.g. AV projector to external speakers). A 15-volt power supply is included.

Mounting Hardware is also included and adapts to pole, surface,or security attachment installations.


  • 35 dB maximum gain with 2 x 20 watt output
  • Dual RCA, stereo mini jack and high-level inputs
  • High pass filter at 120 Hz to reduce bass distortion in smaller speakers
  • Aluminum housing with integrated heat sink
  • Power inputs include either three-pin Euro-block or barrel connector
  • 12-volt trigger for automatic on/off functions when source power is detected
  • Included accessory: universal pole- and surface-mount adapter
  • Included SA202-RDT accessories: universal pole- and surface-mount adapter, 15-volt power supply
  • Optional accessory for SA202: 15-volt, 3-amp power supply (AC-PS-1550)


Frequency Response (-3 dB)
20 Hz--20 kHz (+/- .1 dB)

Power Per Channel:
20 watts (4 ohm stereo)
10 watts (8 ohm stereo)

Signal to Noise
92 dB (100 Hz, 12 dB per octave, 4 ohm, A-weighted)

Power Capacity RMS:
20 watts (4 ohm stereo)
10 watts (8 ohm stereo)
15 watts (4 ohm stereo)
8 watts (8 ohm stereo)

Input Impedance
6k ohms

Max Gain
35 dB

120 Hz, 12 dB per octave

31.2 mm (1.23 in.)

101.1 mm (3.98 in.)

123.6 mm (4.86 in.) including connectors

0.25 Kg (0.55 lbs.) amp only

1 per box - includes mounting hardware and power supply (SA202- RDT only)

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