ZAPCO ST-204D SQ 4-Ch Class D Amplifier

Over the last couple of years Zapco has introduced more than our pure high end SQ Competition amps. We have also introduced a line of great sounding amps in an affordable price range called the Studio series. The Studio D amps are full range Class D amps with great sound, a compact chassis, and more crystal clear power than the competition.

Thanks to a brand new technology, we are able use the NXP Class D solution to get amazing power and performance in a incredibly compact chassis with over 90% efficiency. And this diminutive little beast has all the features of the larger amps... and optional HD Bluetooth streaming!

The HD Bluetooth Module (optional) is a Qualcomm CSR8675 premium tier single-chip solution with 80 MHz DSP, delivering high quality wireless audio performance over Bluetooth and aptX HD making it an ideal choice for premium audio products.



ST-204D SQ   4 Ch. Class D SQ Amplifier

Features and Functions
4-Channel, Full Range, Class D
RCA and Speaker Level inputs
Variable input gain control
Variable electronic crossover
Variable bass boost control

Specifications
Power @ 4Ω: 4 x 180watts RMS
THD @ Rated Power  < 0.5%THD
Power @ 2Ω: 4 x 280 watts RMS
Power Bridged @ 4Ω: 2 x 560 W RMS
Signal to Noise Ratio > 85dB
THD + Noise < 0.5%
Frequency Response 15Hz to 30KHz ±1dB
Input Sensitivity .25v to 5v
Dimensions in mm: 160(W) x 52(H) x 300(L) Overall: 160(W) x 52(H) x 342(L)

To ensure compatibility, we recommend that the parts pictured in our listing are compared to the actual parts in your vehicle before you make your purchase. If still unsure please contact us via email system so we can advise before you make your purchase.