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Concert 288 Presentation System

Dual-Channel UHF Wireless System

Take the worry out of wireless with the Concert 288 presentation wireless system. With easy setup, flawless operation and premium sound, it's the ideal high-performance UHF wireless solution for a variety of business, house of worship, Q&A, and educational presentations that require two users.

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  • Take The Worry Out Of Wireless

    The dual-channel, frequency-agile Concert 288 Presentation allows up to 10 systems per band (20 performers) to operate simultaneously (depending on your region). The Concert 288 Presentation gives both performers an impressive 300' of wireless range between the transmitters and receiver, making the system ideal for large stages and crowd participation. To ensure interference-free performance, the Concert 288 Presentation features a true diversity design. In the event of a drop-out, the receiver's tone button triggers an automatic mute function to eliminate any background noise until the signal is restored.

  • Perform in Pairs

    The Concert 288 Presentation includes two CB288 beltpack transmitters, two LM5 lavalier microphones with locking connectors, and two HS5 headset microphones with locking connectors. These microphone options provide maximum versatility for any dual-user application, especially dynamic presentations and interview situations. The transmitters, which operate for up to eight hours on two AA batteries, have been meticulously engineered to provide the ultimate in sonic performance.

  • Dual-Channel Receiver

    With a user-friendly front panel, the CR288 wireless receiver makes system setup quick and easy. To help you find your optimal channel, the CR288 has two select buttons that automatically synchronize the receiver and transmitter channels via an infrared signal. The front panel also features a dual 7-segment LED to indicate operating channels, two volume controls, two tuned antennas, and Ready and Peak indicators for optimal functionality and monitoring. The rear of the receiver features two separate balanced XLR outputs for routing signals to two separate mixer channels, as well as a 1/4" unbalanced mix output that combines both signals into a single channel for direct connection to a PA speaker.

Features / Specs


  • Dual-channel, high-performance UHF wireless system
  • 1/4” audio cable, AC adapter and rackmount kit included

Two CB288 Beltpack Transmitters

  • Two LM5 Lavalier Microphones with locking connectors
  • Two HS5 Headset Microphones with locking connectors
  • Each offers up to eight hours of battery life using two AA batteries
  • 300' operating range

CR288 Wireless Receiver

  • Multiple frequency options for interference-free performance in any environment
  • Up to 12 systems can be operated simultaneously (region dependent)
  • Separate Volume controls for each wireless signal
  • Dual balanced XLR outputs for routing signals to two separate mixer channels
  • 1/4” unbalanced mix output to combine signals to one output channel


Working Range 300' (100m) line of sight
Audio Frequency Response 50 Hz - 15 kHz
T.H.D. (Overall) <1% (@AF 1 kHz, RF 46 dBu)
Dynamic Range >100 dB A-weighted
Signal to Noise >85 dB
Tone Key Frequency 32.768 kHz
CB288 Belt pack Transmitter
Input Connector Mini-XLR (P3)
Input Impedance 1MΩ
Input Gain Range 38 dB
RF Power 10 mW EIRP
Power Requirements Two AA (LR6) alkaline batteries
Battery Life 8 hours
Dimensions 3.75" x 2.44" x 0.75" / 96mm x 62mm x 18.5mm
Weight 0.2lb / 93g
CR288 Receiver
Audio Output Level - Mix Unbalanced +14 dBu
Audio Output Level - Balanced +14 dBu
Audio Output Impedance - Unbalanced 1k Ohms
Audio Output Impedance - Balanced 470 Ohms
Sensitivity -100 dBm / 20 dB sinad
Image Rejection >50 dB
Operating Voltage 15 VDC 300mA
Dimensions (LxWxH) 8.25" x 4.9" x 1.75" / 210mm x 125mm x 44mm
Weight 0.99lb / 450g

Compare Dual-Channel Presentation Wireless Systems

XPD2m Presentation


Concert 288 Presentation System


Concert 288m Presentation

Type 2.4GHz Digital UHF UHF
Dual / Quad Dual Dual Dual
Frequencies per Channel n/a 16 100
Compatible Systems 1 10 per band 4 per band
Available Configurations Dual Handheld, Presentation Dual Handheld, Presentation, All-In-One Dual Handheld, Presentation, All-In-One
Transmitter Battery 2xAA / 20 hours 2xAA / 8 hours 2xAA / 8 hours
Receiver Type Tabletop Half-rack Tabletop
Rack-mountable No Yes - Rack kit included No
Receiver Output Connections Dual XLR, Mixed 1/4", Mixed 1/8" Dual XLR, Mixed 1/4" Dual XLR, Mixed 1/4", Mixed 1/8"

Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

Warning CALIFORNIA PROPOSITION 65 WARNING: Cancer and Reproductive Harm -

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