Zapco ST-4XP SQ III 4-Channel Full Range Class AB

Product highlights:

• 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