ZAPCO ST-5B CLASS-AB 5CH AMPLIFIER

Marsoni

M251S

$274.00

Get it in 3 business days with 1 day shipping. Friday, May 29

ZAPCO ST-5B CLASS-AB 5CH AMPLIFIERZAPCO ST 5B CLASS AB 5CH AMPLIFIER Features: 5 Channel, Class AB Full Range Amplifier Stable into 4 ohms bridged or 2 ohms stereo load MOSFET power supply RCA and OEM speaker level input Variable Inputs Gain Control Variable FULL LP HP Electronic Crossover Variable Bass Boost Specifications: Power @ 4: 4 x 70 + 1 x 250 watts Power @ 2: 4 x 100 + 1 x 400 watts Power @ 4 Bridged: 2 x 180 + 1 x 400 (2) THD @ Rated Power < 0. 2% Signal to Noise Ratio >

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It’s a nice watch. I own pieces from other brands, and I stopped wearing this one for about a month; when I decided to put it back on, it was still running. I found this odd, since it’s supposed to be an automatic watch—meaning you need to wear it to keep it wound and functioning—and it supposedly doesn't use a battery. Another thing: every time I wash my hands, water gets inside the watch, even though it’s rated for a depth of 30 meters. I have my doubts as to whether it’s truly an automatic or not. Does anyone else here own one?

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Reviewed in the United States on April 15, 2026

Verified Purchase

carlos cortez b

Waukegan, US

★★★★★ 5

satisfied

Color: silver white

great item

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 10, 2026