STPA3L-400D
Class-D 400W RMS Plate Amplifier for Full-range Loudspeaker Cabinets w/ Bluetooth, 3-Channel Mixer

The Sound Town STPA3L-400D Class-D plate amplifier enables you to build your own powered speaker cabinet. The STPA3L-400D power amp is equipped with two 1/4” line inputs, two 1/4” mic & XLR combo inputs, one 1/8” AUX input and one XLR loop output connector. The built-in Bluetooth allows you to connect with your Bluetooth enabled mobile devices instantly. The onboard two-band EQ per input channel helps tune the sound to your preference. Simply turn the treble or bass knob and adjust the level of high or low frequencies to match your audio signal perfectly.

The plate power amp generates 400W RMS (8-ohm) and comes with overload protection. When paired with the right speaker driver and enclosure, it produces clear and massive sound to reinforce your PA system.

• 400W Class-D power amplifier plate
• 2-channel 1/4" line inputs, 1 XLR and 1/4" mic combo input and 1 1/8” AUX input
• 1 XLR loop output
• Bluetooth connectivity
• 2-band EQ with bass and treble control

Specifications