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Atlas Sound Time Saving Devices TSD-PA122G 12W 2-Channel Power Amplifier (Black)

Atlas Sound
Atlas Sound Time Saving Devices TSD-PA122G 12W 2-Channel Power Amplifier (Black)
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Atlas Sound TSD-PA122G Overview

The black Time Saving Devices TSD-PA122G 12W 2-Channel Power Amplifier from Atlas Sound is a reliable 4Ω stereo amplifier designed for general amplification requirements. The unit adds sound reinforcement to small projector systems as it can provide ample power to drive up to four 8Ω loudspeakers in a classroom or boardroom.

The TSD-PA122G Amplifier features a balanced stereo phoenix-style connector and unbalanced RCA input options with an output of 12W per channel at 4Ω, or 24W bridge mono at 8Ω. The front panel gain controls provide adjustment for both left/right or bridged outputs and these removable knobs can easily be replaced with the included tamper-resistant security covers.

This Time Saving Devices (TSD) Amplifier is designed to overcome some common audio system problems in an easy and efficient way. It is built with high-quality components and includes removable individual I/O connectors for quick and precise wiring, separate ground terminals for all I/Os assuring secured connections, and removable level controls that can be replaced with tamper-resistant security covers.


  • Compact chassis design
  • 12W per channel into 4Ω
  • 24W bridged into 8Ω
  • 2 balanced inputs
  • Dual RCA inputs
  • Removable level controls with security covers
  • Peak indicator per channel
  • Input signal indicator per channel
  • Cable management system
  • Multiple mounting configurations
  • Separate ground connections
  • Removable phoenix style I/O connectors
  • Usable as a projector amplifier, zone amplifier, or rear-channel amplifier
  • Meets multiple energy standards


  • Courtrooms
  • Public forums
  • Restaurants
  • Schools
  • Industrial facilities
  • Houses of worship
UPC: 612079187843

Atlas Sound TSD-PA122G Specs

Load Rating8 Ω: 6 W x 2 Ch
4 Ω: 12 W x 2 Ch
8 Ω Bridge Mode: 24 W x 1 Ch
InputsType: 2 x unbalanced line
Connection: RCA left and right
Impedance: 10K Ω Input Level: 316 mV (-10 dBV)

Type: 2 x balanced line
Connection: Removable 3 position captive screw 3.5 mm spacings
Impedance: 10K Ω balanced, 5K Ω, unbalanced
Line Input Level: 500 mV (-6 dB) balanced
OutputsType: 2 x speaker output
Connection: Removable 2 position captive screw 5 mm spacing
Wire Size: 14 gauge maximum
ControlLevel Control: 2 x removable knob with security cover
Operation Mode Switch: Stereo or bridge
IndicatorsInput Signal: Green, 2 x 25 mV on threshold
Peak: Red, 2 x -3 dB before clip
Power: Blue
Frequency Response20 Hz to 20 kHz (±3 dB)
THD1% @ 1 kHz
Signal to Noise Ratio80 dBV
Power Requirements@ 8 Ω:
Voltage: 24 VDC, 500 mA
Idle Current: 40 mA
Idle Watts: 2.7
Average Current: 140 mA
Average Watts: 10 W
Maximum Current: 510 mA
Maximum VA Watts: 38 W

@ 4 Ω:
Voltage: 24 VDC, 1000 mA
Idle Current: 40 mA
Idle Watts: 2.7 W
Average Current: 250 mA
Average Watts: 20 W
Maximum Current: 510 mA
Maximum VA Watts: 38 W
Safety ApprovalsExternal Power Supply: cUL, CE, RoHS, and TUV
MaterialChassis: Aluminum
Dimensions1.5 x 4.0 x 2.7" (3.9 x 10.1 x 7.0 cm)
Weight6.0 oz (170.1 g)
Packaging Info
Package Weight0.7 lb
Box Dimensions (LxWxH)5.2 x 3.6 x 2.4"

Atlas Sound TSD-PA122G Reviews

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