1. Product Overview
The Samson CB288 Beltpack Transmitter is a key component of the Concert 288 Wireless System, designed to provide reliable and high-quality audio transmission for various applications. This compact and durable transmitter operates within the 470-494MHz frequency range (Band H, Channel A) and is ideal for vocalists, presenters, and instrumentalists requiring freedom of movement without compromising sound integrity. It features a 4-pin mini-XLR input for connecting compatible microphones or instrument cables, adjustable gain control, and an infrared (IR) sensor for easy synchronization with the Concert 288 receiver.

Front view of the Samson CB288 Beltpack Transmitter, showing the Samson logo and CB288 model name.
2. Key Features
- Compact and Durable Design: Built for portability and resilience in various environments.
- 4-pin Mini-XLR Input: Compatible with a wide range of Samson lavalier microphones, headset microphones, and instrument cables.
- Adjustable Gain Control: Allows for precise input level adjustment to prevent distortion.
- Mute Function: Provides quick and easy muting of the audio signal.
- Infrared (IR) Sync: Enables automatic frequency matching with the Concert 288 receiver for quick setup.
- Battery Operation: Powered by two AA batteries for extended use.
- Integrated Belt Clip: For secure and convenient attachment to clothing or instrument straps.
3. Package Contents
Please check the package for the following items:
- Samson CB288 Beltpack Transmitter
- User Manual (this document)
Note: Microphones, instrument cables, and AA batteries are typically sold separately.
4. Component Identification
Familiarize yourself with the various parts of your CB288 Beltpack Transmitter:

Top view of the Samson CB288 Beltpack Transmitter, showing the 4-pin mini-XLR input connector, power button, and mute button.
- 4-pin Mini-XLR Input: Connects your microphone or instrument cable.
- Power Button: Used to turn the unit on and off.
- Mute Button: Toggles the audio output on and off.

The Samson CB288 Beltpack Transmitter with its battery compartment open, revealing slots for two AA batteries, the gain adjustment knob, and the IR sensor.
- Battery Compartment: Houses two AA batteries.
- Gain Control: A small knob inside the battery compartment to adjust the input sensitivity.
- IR Sensor: Used for infrared synchronization with the Concert 288 receiver.

Detailed rear view of the Samson CB288 Beltpack Transmitter, displaying the belt clip, frequency band (470-494MHz), model number (CB288), and regulatory markings. The serial number BHA6FA053 is also visible.
- Belt Clip: For attaching the transmitter to your belt or clothing.
- Frequency Label: Indicates the operating frequency band (470-494MHz).
- Model Number: Displays the model CB288.
- Serial Number: Unique identifier for the unit (e.g., BHA6FA053).
5. Setup Guide
5.1. Battery Installation
- Locate the battery compartment cover on the side of the transmitter.
- Slide the cover open to reveal the battery slots.
- Insert two fresh AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
5.2. Connecting a Microphone or Instrument
- Connect your compatible Samson 4-pin mini-XLR microphone or instrument cable to the input jack on the top of the CB288 transmitter.
- Ensure the connector clicks firmly into place.
5.3. Powering On/Off
- To turn ON: Press and hold the Power button on the top of the transmitter until the indicator light illuminates.
- To turn OFF: Press and hold the Power button again until the indicator light turns off.
5.4. Pairing with Receiver (IR Sync)
For automatic frequency synchronization with your Concert 288 receiver:
- Ensure both the CB288 transmitter and the Concert 288 receiver are powered on.
- On the Concert 288 receiver, initiate the IR sync function (refer to your receiver's manual for specific instructions).
- Align the IR sensor on the CB288 transmitter (located inside the battery compartment) with the IR window on the receiver.
- Hold them steady until the frequencies are successfully matched. The transmitter's indicator light may change or flash to confirm synchronization.
6. Operating Instructions
6.1. Gain Control
The gain control adjusts the input sensitivity of the transmitter. This is crucial for preventing distortion and ensuring optimal audio quality.
- Open the battery compartment.
- Use a small screwdriver or a similar tool to carefully turn the GAIN knob.
- Adjust the gain while speaking or playing at your typical performance level. Monitor the audio level on your receiver to ensure it is strong but not clipping (distorting).
6.2. Mute Function
The Mute button allows you to temporarily silence the audio transmission without turning off the unit.
- Press the Mute button once to mute the audio. The indicator light may change color or flash to indicate mute status.
- Press the Mute button again to unmute the audio.
6.3. Wearing the Beltpack
Attach the CB288 transmitter securely to your belt, waistband, or instrument strap using the integrated belt clip. Ensure the antenna has a clear line of sight to the receiver for optimal signal strength.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the transmitter. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries promptly when the low battery indicator appears. Remove batteries if the unit will not be used for an extended period to prevent leakage.
- Storage: Store the transmitter in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Probable Cause | Solution |
|---|---|---|
| No sound from receiver | Transmitter not powered on Mute function active Low or dead batteries Incorrect frequency pairing Microphone/instrument not connected or faulty | Ensure transmitter is powered on Press Mute button to unmute Replace batteries Perform IR sync again Check microphone/instrument connection and cable |
| Interference or poor sound quality | Too far from receiver Obstructions between transmitter and receiver Interference from other wireless devices Gain set too high or too low | Reduce distance to receiver Ensure clear line of sight Change operating frequency (if receiver allows) or move away from interference sources Adjust gain control inside battery compartment |
| Low battery indicator | Batteries are low | Replace with fresh AA batteries immediately |
9. Technical Specifications
- Model Number: SWCB288A-H
- Frequency Band: H Band, Channel A (470-494MHz)
- Dimensions: Approximately 10.43 x 2.76 x 1.57 inches (26.5 x 7 x 4 cm)
- Item Weight: Approximately 3 pounds (1.36 kg)
- Power Requirements: 2 x AA Batteries
- Input Connector: 4-pin mini-XLR
- Date First Available: February 14, 2020
10. Warranty and Support
Samson Technologies provides a limited warranty for its products. For detailed warranty information, technical support, or service inquiries, please visit the official Samson website or contact their customer support directly. Keep your purchase receipt as proof of purchase for warranty claims.
Samson Support: www.samsontech.com/support





