Kenwood KAC-728S
A bridgeable 2-channel car amplifier rated for 100W RMS x 2 at 4 ohms.
Overview
The Kenwood KAC-728S is a 2-channel car amplifier designed for mobile audio systems. It can be operated in stereo mode or bridged to power a single channel. The unit delivers 100 watts RMS per channel into 4 ohms and is capable of higher output at lower impedances. It features a built-in low-pass crossover and is compatible with standard automotive power systems.
Specifications
| Power Output (RMS, 4Ω) | 100W x 2 |
| Power Output (RMS, 2Ω) | 150W x 2 |
| Maximum Power Output (4Ω) | 200W x 2 |
| Bridged Power Output | 600W x 1 (per Manualslib, eBay, Karrotmarket); conflicting report of 300W (ecoustics forum post) |
| THD | 0.8% |
| Channels | 2 |
| Bridgeable | Yes |
| Low-Pass Crossover | Built-in |
Market
Used units have been listed between $50 and $129, with recent listings on Hifi Shark showing $99 and $129. The amplifier has been described as functional and reliable in user reports, with one noting it "works great" as an upgrade. Crutchfield users rated it 4 out of 5 stars based on one review, while CarReview reports a 4.5 out of 5 rating across 14 reviews.
eBay Listings
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