Kenwood KSC SW10 Manual

The Kenwood KSC SW10 is a compact powered subwoofer designed to enhance audio systems with deep bass response. Features include 100W RMS power output, adjustable low-pass filter (50-200Hz), phase control (0°/180°), auto power on/off, line-level inputs, and speaker-level inputs/outputs. Compatible with various audio systems for home theater and music applications. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Audio Systems 7. Operation 8. Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Powered subwoofer unit, power cable, user manual. Rear panel controls include power switch, volume control, low-pass filter, phase switch, and input/output terminals.

Feature	Description
Power Output	100W RMS (200W peak)
Low-pass Filter	Continuously adjustable 50-200Hz
Phase Control	0°/180° switch
Auto Power	Automatically turns on/off with audio signal
Inputs	Line-level (RCA), Speaker-level
Outputs	Speaker-level pass-through
Driver Size	8-inch long-throw woofer
Enclosure	Bass reflex design
Power Supply	110-120V AC, 60Hz
Dimensions	12" x 12" x 14" (WxHxD)

Installation

Unpack and inspect contents. Choose optimal placement for bass response.

Position subwoofer: Place in corner for maximum bass, away from walls for tighter response.
Connect to amplifier: Use line-level RCA cables from receiver's subwoofer output.
Speaker-level connection: Connect speaker wires from amplifier to subwoofer inputs, then to main speakers.
Power connection: Plug into AC outlet, ensure power switch is off.

WARNING! Ensure proper ventilation; do not block vents. Use stable surface to prevent tipping.

First-Time Setup

Power on subwoofer; adjust settings for optimal performance.

Set volume: Start at 50%, adjust while playing audio content.
Adjust low-pass filter: Set to match main speaker's frequency response (typically 80-120Hz).
Set phase: Switch between 0° and 180° for maximum bass output.
Test auto power: Play audio to verify automatic turn-on feature.

CAUTION! Avoid extreme volume settings to prevent damage to subwoofer and hearing.

Specifications

Power Output: 100W RMS, 200W peak
Frequency Response: 30-200Hz
Crossover Frequency: 50-200Hz adjustable
Input Sensitivity: 100mV-4V (line-level)
Signal-to-Noise Ratio: >85dB
Driver: 8-inch polypropylene cone
Enclosure Type: Bass reflex with front-firing port
Input Connections: Stereo RCA, Speaker-level
Power Requirements: 110-120V AC, 60Hz, 1.5A
Weight: 18 lbs (8.2 kg)

Controls and Settings

Rear panel controls: POWER switch, VOLUME control, LOW-PASS FILTER knob, PHASE switch (0°/180°), AUTO ON indicator.

Connections: LINE IN (L/R RCA), SPEAKER IN (spring clips), SPEAKER OUT (spring clips), AC INPUT.

Volume: Adjusts subwoofer output level. Low-pass Filter: Controls crossover frequency. Phase: Aligns subwoofer with main speakers. Auto Power: Automatically activates when audio signal detected.

Connecting to Audio Systems

Line-level: Use RCA cables from receiver subwoofer output. Speaker-level: Connect between amplifier and main speakers.

Turn off all equipment before connecting.
For home theater: Connect to receiver's LFE or subwoofer output.
For stereo systems: Use speaker-level connections or line-level from preamp outputs.
Ensure secure connections and proper polarity.

Tip: Use high-quality cables for best performance and minimal interference.

Operation

Designed for continuous operation with automatic power management.

Power on: Switch to ON position or rely on auto power feature.
Volume adjustment: Set to blend seamlessly with main speakers.
Crossover setting: Match to main speaker capabilities.
Phase adjustment: Optimize for room acoustics and speaker placement.
Auto power: Unit will enter standby after approximately 10 minutes of no signal.

WARNING! Do not operate at maximum volume for extended periods. Allow proper cooling.

Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Keep vents clear of dust.

CAUTION! Do not use liquids or solvents. Avoid moisture and extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2025 Kenwood; trademarks of JVCKenwood Corporation. For technical support, visit www.kenwood.com or contact 1-800-536-9663.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Power/connections	Check power connection; verify input source; adjust volume.
Distorted sound	Overload/placement	Reduce volume; check for loose connections; reposition subwoofer.
Auto power not working	Signal level	Increase source volume; check input connections; manual power on.
Hum or noise	Ground loop/cables	Check cable quality; ensure proper grounding; use isolation transformer.
Weak bass	Settings/placement	Adjust phase; increase volume; reposition subwoofer; check crossover setting.

Reset: Turn off power for 30 seconds, then restart.

Service: 1-800-536-9663; www.kenwood.com