Zapco ST-4XP SQ III

4-Ch. High Power Class AB SQ Amplifier, 4?: 4 x 100 watts

Features and Functions

4-Channel, Full Range, Class A/B

SQ Upgrades: Op-amps, Caps, Etc.

Tiffany style Panel Mount RCA’s

RCA and Speaker Level Inputs

Variable input gain control

Variable electronic crossover

Auto-on with Speaker level inputs

New aluminum chassis

Specifications

Power @ 4Ω: 4 x 140 watts

THD @ Rated Power  < 0.1% THD

Power @ 2Ω: 4 x 190 watts

Power Bridged @ 4Ω: 2 x 380W RMS

Signal to Noise Ratio > 95dB

Channel Separation  >60dB

Frequency Response 15Hz to 30KHz ±1dB

Input Sensitivity .25v to 5v

Dimensions in mm: 160(W) x 58(H) x 450(L) Overall: 160(W) x 58(H) x 475(L)