Zapco ST-104DSQIII 4 Channel Class D Compact Amplifier

A factory head unit has limited power, so speakers run out of clean volume early. The ST-104DSQIII is an amplifier that gives your speakers or subwoofer the power they need.

Key features

• 4 Channel, Full Range, Class D
• RCA and Speaker Level inputs
• Variable input gain control
• Variable electronic crossover
• Variable bass boost control
• Technical Specifications
• THD + Noise < 0.1%

Specifications

• Power @ 4 ohm: 4 x 100 watts RMS
• THD @ Rated Power < 0.5%THD
• Power @ 2 ohm: 4 x 150 watts RMS
• Power Bridged @ 4 ohm: 2 x 300 W RMS
• Signal to Noise Ratio > 90dB
• Frequency Response 15Hz to 30KHz ±1dB
• Input Sensitivity .35v to 9v (Low)
• Net Dimensions (mm): 124(W) x 50(H) x 213(L)
• Overall Dimensions (mm): 124(W) x 50(H) x 242(L)
• Part number: ST-104DSQIII

Installation

We recommend fitting by a qualified car audio installer, with correctly rated power wiring and fusing. Our workshops at Albion Park Rail (02) 4257 2636 and South Nowra (02) 4423 5254 can quote on fitting.

Warranty

It comes with the manufacturer's warranty through the Australian distributor, plus your rights under the Australian Consumer Law.

Questions and answers

How much power does the ST-104DSQIII put out?

The supplier lists Power @ 4 ohm: 4 x 100 watts RMS.

How efficient is the ST-104DSQIII?

The supplier lists Input Sensitivity .35v to 9v (Low). Higher sensitivity means more volume from the same power.

Do I need a wiring kit for the ST-104DSQIII?

Yes. An amplifier needs power, earth, remote and signal wiring sized to its current draw, with a fuse near the battery. Ask us and we will match a kit.

Can you fit the ST-104DSQIII for me?

Yes. Our Albion Park Rail and South Nowra workshops can quote on supply and fitting. Call (02) 4257 2636 or (02) 4423 5254.

What warranty comes with the ST-104DSQIII?

It comes with the manufacturer's warranty through the Australian distributor, plus your rights under the Australian Consumer Law.