a-b3l kenwood manual

The Kenwood A-B3L is a high-performance audio component system featuring advanced digital signal processing, multi-zone audio capability, Bluetooth connectivity, AM/FM tuner with presets, multiple audio inputs, remote control operation, equalizer settings, and network streaming compatibility. Powered by 110-240V AC, 50/60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Digital amplifier, Bluetooth receiver, Network interface, Remote Control, Multiple audio inputs, Speaker terminals, Display panel.

Feature	Description
Bluetooth connectivity	For wireless audio streaming from compatible devices
Network port	For Ethernet connection and network streaming
Optical digital input	For high-quality digital audio sources
Analog audio inputs	RCA connectors for traditional audio sources
Speaker terminals	For connecting main and zone 2 speakers
AC power input	For main power connection
USB port	For firmware updates and media playback
POWER	Turns unit on/off
VOLUME	Adjusts audio output level
SOURCE	Selects input source

Installation

Unpack and inspect contents. Place on stable, well-ventilated surface.

1. Connect speakers: Match polarity (+/-) for proper phase alignment.
2. Connect audio sources: Use appropriate inputs for each source device.
3. Connect network: Use Ethernet cable for network streaming capability.
4. Connect antenna: Attach AM/FM antennas for radio reception.
5. Plug into AC power outlet.

WARNING! Ensure proper ventilation; do not block cooling vents. Use correct speaker impedance.

First-Time Setup

Power on unit; follow initial setup procedure.

1. Speaker setup: Configure speaker size and distance in setup menu.
2. Network configuration: Set up wired or wireless network connection.
3. Source naming: Assign descriptive names to each input source.
4. Radio presets: Scan and store favorite AM/FM stations.
5. Bluetooth pairing: Pair with your mobile devices.

CAUTION! Ensure stable power source; use surge protector for best protection.

Specifications

• Power Output: 100W per channel (8 ohms)
• Frequency Response: 20Hz - 20kHz (±0.5dB)
• Total Harmonic Distortion: <0.05%
• Signal-to-Noise Ratio: >100dB
• Inputs: Analog RCA, Optical digital, Coaxial digital, USB
• Connectivity: Bluetooth 5.0, Ethernet, Wi-Fi
• Supported Formats: MP3, WAV, FLAC, AAC, WMA
• Power Requirements: 110-240V AC, 50/60Hz
• Dimensions: 430mm W × 150mm H × 380mm D
• Weight: 8.5 kg

Controls and Settings

Access main menu via front panel or remote control. Front Panel: POWER, VOLUME, SOURCE, MENU, NAVIGATION buttons.

Remote: POWER, Numeric buttons, SOURCE SELECT, VOLUME, MUTE, MENU, NAVIGATION, ENTER, RETURN.

Audio Settings: Bass, Treble, Balance, Loudness, Tone defeat. Network Settings: IP configuration, Wireless setup, Service access. System Settings: Display brightness, Auto standby, Firmware update. Speaker Settings: Size, Distance, Level calibration.

Connecting Devices

Multiple connection options: Analog audio, Digital inputs, Network, Bluetooth.

1. Turn off unit before making connections.
2. Use quality cables for best performance.
3. Match input types to source devices.
4. Select source via SOURCE button or remote.

Tip: Use optical cables for digital sources to minimize interference.

Network Connectivity

Supports streaming services and multi-room audio.

1. Wired connection: Connect Ethernet cable to router.
2. Wireless setup: Select network and enter password.
3. Streaming services: Access through network menu.
4. Multi-room: Configure additional zones if supported.
5. Firmware updates: Check for updates periodically.

WARNING! Ensure stable network connection for uninterrupted streaming.

Audio Settings

Advanced audio customization and equalization.

Sound Modes: Music, Movie, Direct, Pure Direct. Equalizer: 7-band adjustable EQ with presets. Loudness: Automatic bass boost at low volumes. Balance: Left/right channel adjustment. Tone Control: Independent bass and treble controls.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior; compressed air for vents.

CAUTION! Do not use chemical cleaners; avoid moisture near electrical components.

Regulatory Information

FCC Part 15: Class B digital device compliant. CE marked for European compliance. RoHS compliant. Copyright © 2024 Kenwood Corporation. For support, visit www.kenwood.com or contact 1-800-536-9663.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; check fuse.
No sound	Speaker connections/mute	Verify speaker wires; check mute status; adjust volume.
Bluetooth not connecting	Pairing mode/distance	Enter pairing mode; ensure device within range; remove old pairings.
Network issues	Connection/configuration	Check Ethernet cable; verify network settings; restart router.
Poor radio reception	Antenna placement	Extend antennas fully; reposition for better reception.

Reset: Hold POWER + MENU for 10 seconds to factory reset.

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