This document is an instruction manual for the KAC-7251/7201 power amplifier, providing information on installation and operation procedures to help users achieve optimal performance.
This manual provides safety precautions, installation guidelines, wiring diagrams, and control descriptions for the Kenwood KAC-7251/7201 car power amplifier. It explains how to connect power, speaker, and remote cables, and details the functions of switches such as BASS BOOST, FILTER, and OPERATION.
The troubleshooting section lists common problems, possible causes, and solutions, while the specifications page gives detailed performance data including power output, frequency response, sensitivity, and physical dimensions. The document is intended for installers and end‑users who need to set up and operate the amplifier safely and correctly.
| Max Power Output (Stereo, 4 Ω) | 80 W ×1 |
|---|---|
| Frequency Response | 5 Hz – 50 kHz (+0, –3 dB) |
| Signal‑to‑Noise Ratio | 100 dB |
| Input Impedance | 10 kΩ |
| Low‑Pass Filter Frequency | 50 – 200 Hz (variable) |
| High‑Pass Filter Frequency | 150 Hz |
| Bass Boost Positions (KAC‑7251) | OFF / +6 dB / +9 dB / +12 dB |
| General Operating Voltage | 14.4 V (11‑16 V allowable) |
| Current Consumption (4 Ω, 10 % THD) | 43 A |
| Dimensions (W×H×D) | 285 mm × 57 mm × 305 mm |
| Weight | 3.3 kg (7.3 lb) |
Use the BASS BOOST switch on the unit or, for the KAC‑7251, set the level with the remote controller (+6, +9, +12 dB).