Zapco ST-64D SQ MINI Amp 4 Channel Class D Bridgeable Mini Car Amplifier

Name: Zapco ST-64D SQ MINI Amp 4 Channel Class D Bridgeable Mini Car Amplifier
Brand: Zapco
SKU: 92395
Price: 186.48 USD
Availability: InStock
Rating: 4.6 (5 reviews)

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$186.48 ~~$259~~ In stock

Category: Amplifier

ST-64D SQ MINI

4-Ch. Class D Mini Amplifier

4-Channel, Full Range, Class D, RCA and Speaker Level inputs

Optional HD Bluetooth
Variable input gain control
Variable electronic crossover
Auto-on with speaker level inputs
Micro chassis
Variable bass boost control

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Customer Reviews (4.6 / 5 · 5 reviews)

Ruby P. ★★★★★ Oct 19, 2026

Finally got this installed in my car and the variable electronic crossover makes dialing in the sound stupid easy. It's tiny but pushes my speakers cleanly without any distortion.

David P. ★★★★★ Oct 18, 2026

Used the speaker level inputs to wire this into my stock system and the sound is crystal clear. Fits perfectly under the seat with no issues.

William ★★★★★ Oct 10, 2026

The variable electronic crossover made tuning my door speakers and tweeters super easy. For such a compact amp, the sound is impressively clean and powerful. Perfect for squeezing into tight spaces without sacrificing quality.