Kenwood KAC 6202 Manual

The Kenwood KAC 6202 is a 2-channel car amplifier delivering 150W RMS per channel at 2 ohms, featuring high and low level inputs, variable low-pass filter, bass boost, speaker level inputs, and protection circuits. Designed for automotive audio systems with 12V DC operation. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 2-channel amplifier, RCA inputs, speaker outputs, power/remote terminals, control knobs.

Installation

Choose proper mounting location and prepare wiring.

1. Mount amplifier: Select dry, well-ventilated location; secure with screws.
2. Connect power: Run 4-gauge power wire from battery to amp; install fuse within 18 inches of battery.
3. Connect ground: Use 4-gauge wire to clean, bare metal chassis point.
4. Connect remote: Run wire from head unit remote turn-on to amp.
5. Connect speakers: Use appropriate gauge speaker wire.
6. Connect audio inputs: Use RCA cables or speaker level inputs.

WARNING! Disconnect battery before installation. Ensure proper fuse rating.

First-Time Setup

Power on system; adjust settings for optimal performance.

1. Set input sensitivity: Turn volume to 3/4 on head unit; adjust gain until distortion.
2. Adjust low-pass filter: Set according to speaker capabilities (typically 80Hz for subs).
3. Set bass boost: Start at minimum; increase gradually if needed.
4. Check operation: Verify all channels working properly.
5. Final adjustments: Fine-tune settings while playing music.

CAUTION! Do not set gains too high to avoid speaker damage.

Specifications

• Channels: 2
• RMS Power: 150W x 2 @ 2 ohms
• Max Power: 300W x 2 @ 2 ohms
• Frequency Response: 10Hz - 50kHz
• Signal-to-Noise: >100dB
• THD: <0.08%
• Input Sensitivity: 0.2V - 4V (variable)
• Crossover: Low-pass 50-200Hz
• Bass Boost: 0-12dB @ 45Hz
• Power Supply: 12V DC
• Fuse: 25A x 2

Controls and Settings

Front panel controls: Input level, low-pass filter, bass boost.

Control Knobs: Input Level (gain), Low-pass Filter (50-200Hz), Bass Boost (0-12dB).

Input Level: Adjusts sensitivity to match head unit output. Low-pass Filter: Controls frequency cutoff for subwoofers. Bass Boost: Increases bass at 45Hz frequency. Input Selection: Toggle between RCA and speaker level inputs.

Connecting Devices

RCA inputs: For line-level connection. Speaker inputs: For high-level connection.

1. Disconnect vehicle battery before connections.
2. Connect RCA cables from head unit to amp inputs.
3. Connect speaker wires from amp outputs to speakers.
4. Connect power, ground, and remote wires.
5. Reconnect battery and test system.

Tip: Use quality cables and proper wire gauge for best performance.

Operation Guidelines

Optimal performance requires proper setup and operation.

1. Power sequence: Turn on head unit first, then accessories.
2. Volume control: Increase gradually; avoid sudden high volume.
3. Temperature monitoring: Ensure adequate ventilation during operation.
4. Setting adjustments: Make small changes and test between adjustments.
5. Shutdown: Turn off accessories first, then head unit.

WARNING! Do not operate with loose connections or damaged wiring.

Protection Features

Thermal Protection: Automatically shuts down if overheating detected. Short Circuit Protection: Prevents damage from speaker wire shorts. Overvoltage Protection: Guards against voltage spikes. DC Offset Protection: Protects speakers from DC current.

Care & Maintenance

Keep amplifier clean and dry. Check connections periodically for corrosion.

CAUTION! Do not use chemicals or water for cleaning. Ensure proper ventilation.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers. This device complies with part 15 of FCC rules.

Troubleshooting

Reset: Disconnect power for 30 seconds to reset protection circuits.

Service: Contact authorized Kenwood service center for repairs.