CB radio speaker Sunker model URZ0236, dimensions 74×70×30 mm, external CB accessory

The Sunker URZ0236 external CB radio speaker is an accessory designed to provide clearer audio for Citizens Band (CB) transceivers. With compact dimensions of 74×70×30 mm, this speaker offers an additional loudspeaker output to improve speech intelligibility in noisy environments or where vehicle cabin acoustics are poor. It is intended for mounting in cars, trucks, or workshops to monitor radio traffic and ensure messages are heard reliably.

Advantages

The Sunker external speaker delivers focused and intelligible sound from CB transceivers in a compact housing that fits in limited spaces. Its small footprint and straightforward installation make it suitable for vehicles and stationary work areas where a built-in speaker may be inadequate. The accessory provides an external audio source that reduces the need to increase radio volume excessively, helping to keep background noise under control while maintaining clear communications.

Suitable for

• Supplementing built-in CB transceiver speakers in cars and trucks
• Use in workshop or garage environments to monitor radio traffic
• Mounting in vehicles with poor cabin acoustics to improve speech clarity
• Portable installation where a compact external speaker is needed

Key specifications

• Dimensions: 74 × 70 × 30 mm
• Type: External CB radio accessory speaker
• Mounting: Designed for surface or bracket mounting in vehicles and workspaces
• Compatibility: Intended for use with Citizens Band transceivers and radios that accept external speaker output
• Form factor: Compact rectangular housing suitable for constrained installation spaces

How to use

Connect the external speaker to the CB transceiver's external speaker output following the radio manufacturer's wiring and impedance recommendations. Place or mount the speaker in a location that provides direct sound toward the operator, avoiding obstructions that could muffle audio. After installation, adjust the transceiver's volume and tone controls as needed to achieve clear voice reproduction without distortion.

Usage recommendations

For best results, mount the speaker on a rigid surface and orient it toward the listening position. Verify compatibility with your CB transceiver's external speaker output and check impedance matching if specified by the radio manufacturer. Regularly inspect mounting and wiring for secure connections, especially in vehicle installations exposed to vibration.