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The Zapco ST-4B is a 4-channel Class-AB amplifier delivering 65 watts RMS per channel with exceptional clarity and low distortion (<0.03% THD+N). Its compact aluminum chassis fits modern vehicles, while MOSFET power supply and stable operation at 2Ω stereo or 4Ω bridged loads ensure versatile, reliable performance. Featuring built-in crossovers, bass boost, and variable gain control, it’s engineered for audiophiles who demand professional-grade sound on the go.
| ASIN | B01MQ6A92Y |
| Best Sellers Rank | #280,116 in Electronics ( See Top 100 in Electronics ) #634 in Car Multichannel Amplifiers |
| Brand Name | Zapco |
| Customer Reviews | 5.0 5.0 out of 5 stars (2) |
| Included Components | Mounting ScrewsOwner's Manual, Mounting Screws, Owner's Manual, ST-4B 4 Channels Class AB Amplifier |
| Item Dimensions | 12.2 x 2.05 x 7.17 inches |
| Item Type Name | ST-4B |
| Manufacturer | Zapco |
| Maximum Output Power | 260 watts |
| Model | ST-4B |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Power | 65 watts |
| Part Number | ST-4B |
| Specification Met | Unspecified Technical Specifications |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Warranty |
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