kenwood kac 5206 manual

The Kenwood KAC-5206 is a 2-channel car amplifier delivering high-quality audio performance with 500W max power output, MOSFET power supply, variable low-pass filter, bass boost, and speaker-level inputs. Designed for automotive audio systems, it features compact size, thermal/overload/short circuit protection, and easy installation. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: MOSFET power supply, speaker-level inputs, variable low-pass filter, bass boost control, compact design.

Feature	Description
Power Output	500W max power (2-channel)
MOSFET Power Supply	Efficient and reliable power delivery
Variable Low-Pass Filter	Adjustable frequency range for bass control
Bass Boost	Enhance low-frequency response
Speaker-Level Inputs	Connect directly to factory head units
Compact Size	Easy installation in tight spaces
Protection Circuitry	Thermal, overload, and short circuit protection
RCA Inputs	For aftermarket head unit connection
Power & Remote Terminals	+12V, ground, and remote turn-on connections
Speaker Outputs	For connecting to car speakers

Installation

Choose proper location and prepare wiring connections.

1. Select mounting location: Dry, well-ventilated area away from heat sources.
2. Connect power wires: Run +12V wire from battery with fuse, ground to chassis.
3. Connect audio inputs: Use RCA cables from head unit or speaker-level inputs.
4. Connect speakers: Wire speakers to amplifier outputs observing polarity.
5. Connect remote turn-on: Wire to head unit's remote output or accessory power.

WARNING! Disconnect battery before installation. Use proper gauge wiring. Ensure all connections are secure.

First-Time Setup

Configure amplifier settings for optimal performance.

1. Set input level: Adjust input level control to match head unit output.
2. Configure low-pass filter: Set frequency cutoff for subwoofers or full-range speakers.
3. Adjust bass boost: Fine-tune bass enhancement as needed.
4. Set gain: Match amplifier gain to head unit output level.
5. Test system: Verify proper operation at low volume first.

CAUTION! Avoid setting gains too high to prevent distortion and speaker damage.

Specifications

• Channels: 2
• Max Power: 500W
• RMS Power: 150W x 2 @ 4 ohms
• Frequency Response: 10Hz - 50kHz
• Signal-to-Noise Ratio: >100dB
• Low-Pass Filter: 50Hz - 200Hz variable
• Bass Boost: 0-12dB @ 50Hz
• Input Sensitivity: 0.2V - 5V
• Power Supply: MOSFET
• Protection: Thermal, overload, short circuit
• Dimensions: Compact design for easy installation

Controls and Settings

Access controls on amplifier end panel for system optimization.

Front Panel: Power indicator LED, protection indicator.

Control Panel: Input level control, low-pass filter frequency, bass boost level, input selector (RCA/speaker level).

Input Level: Adjust to match head unit output voltage. Low-Pass Filter: Set cutoff frequency for bass management. Bass Boost: Enhance low frequencies at 50Hz. Input Selector: Choose between RCA or speaker-level inputs.

Connecting Devices

Proper connection ensures optimal performance and safety.

1. Power connections: +12V to battery, ground to chassis, remote to head unit.
2. Audio inputs: RCA cables from head unit or speaker wires for high-level input.
3. Speaker outputs: Connect positive and negative terminals to speakers.
4. Fuse installation: Install appropriate fuse near battery connection.

Tip: Use quality cables and proper wire gauge for all connections.

Operation

Daily use and adjustment procedures.

1. Power on: Amplifier turns on with head unit via remote wire.
2. Volume control: Adjust at head unit, not amplifier.
3. Bass adjustment: Use bass boost and low-pass filter for desired sound.
4. Input level: Set for clean sound without distortion.
5. Mode selection: Operate in 2-channel stereo mode.

WARNING! Do not operate at maximum volume for extended periods. Monitor for overheating.

Protection Features

Built-in protection circuits prevent damage to amplifier and connected components.

Thermal Protection: Automatically shuts down if temperature exceeds safe limits. Overload Protection: Protects against excessive current draw. Short Circuit Protection: Prevents damage from speaker wire shorts. DC Offset Protection: Guards against DC voltage at outputs.

Care & Maintenance

Keep amplifier clean and properly ventilated.

Regular inspection: Check wiring connections periodically. Cleaning: Use dry cloth only; no liquids or chemicals. Ventilation: Ensure adequate airflow around amplifier. Mounting: Secure properly to prevent vibration damage.

CAUTION! Do not block ventilation openings. Keep away from moisture and extreme temperatures.

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 the FCC Rules.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/connections	Check power, ground, and remote connections; verify fuse.
No sound	Input/volume settings	Check input connections; verify head unit volume and input level.
Distorted sound	Gain settings	Reduce input level/gain; check head unit output.
Amplifier shuts off	Overheating/overload	Allow to cool; check impedance load; verify proper ventilation.
Protection light on	Short circuit/overload	Check speaker wires for shorts; verify impedance compatibility.

Reset: Disconnect power and reconnect after 30 seconds.

Service: Contact authorized Kenwood service center for repairs.