Samson Concert 277 Q7 Dual Channel Handheld Wireless System

£239.99 RRP £240.00 (including VAT @ 20%)

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  • 863.125MHz and 863.625MHz Wireless Operating Frequency
  • Dual Channel Handheld Wireless System
  • Simultaneous Operation Of Two HT7 Wireless Transmitters
  • Phase-Locked Loop (PLL) Circuitry for Flawless Reception
  • Multi-Segment RF Level and Peak Audio Indicators

Samson Concert 277 Q7 Dual Channel Handheld Wireless System


The Samson Concert 277 Q7 Wireless System offers two channels and two professional-quality handheld microphones, providing you with outstanding versatility and reliable performance for vocal applications. The Concert 277 Wireless System features two HT7 dynamic handheld microphones which both utilise Q7 capsules to deliver a supercardioid pickup pattern and incredibly accurate audio. Thanks to meticulous engineering, state of the art technology and impressive audio capabilities, the Samson Concert 277 is perfect for any wireless scenario where two voices are better than one.

Product Ref: 23708

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CR277 Receiver

The CR277 true diversity half-rack UHF receiver is the main component of this Samson Wireless System. The PLL frequency control circuitry and dual tuned antennas ensure the signal remains consistent while the LEDs monitor the true diversity operation. The receiver also features a front panel display with a large multi-segment RF level LED meters and two large rotary volume controls - one for each channel. Additionally, the rear panel is equipped with two 1/4'' outputs - including one with a mix option for flexible connection options.

The beauty of the CR277: You can have both channels and transmitters running simultaneously. That means it's ideal for karaoke MCs, bands with multiple vocalists, two DJs at the same event or several presenters at one affair. Plus, with the same reliability and crystal clear operation that's built into every Samson wireless system, you can be sure you're getting exceptional audio reproduction and the most dependable performance available.

Q7 Capsule

Featuring a Q7 dynamic microphone capsule, the HT7 provides a high level of accuracy and audio performance thanks to its low mass, neodymium element. The HT7 also employs a tight supercardioid pickup pattern to reduce feedback and effectively reject signals not originating directly in front of the mic capsule.


  • CR277 half-rack dual UHF wireless receiver
  • Two HT7 dynamic handheld microphone transmitter
  • Q7 dynamic microphone elements
  • Each transmitter operates for 12 hours on a single 9-volt battery
  • Phase-Locked Loop (PLL) circuitry ensures flawless reception
  • Two independent 1/4'' outputs and one 1/4'' mix output
  • Independent level controls
  • Multi-segment RF level and peak audio indicators for each channel
  • Squelch control for each channel
  • Includes tuned moulded antenna


  • Frequency Type: F3
  • Modulation Type: FM
  • Noise Reduction Type: Compander/Expander
  • Distance: 300 Feet

HT7 Transmitter

  • Oscillation Type: Direct PLL
  • Pre-Emphasis: 50 μsec
  • Antenna: Integral Antenna
  • Maximum Output Level: 3V P-P
  • Switches/Controls: Power On/Off, Audio On/Off, Mic Level Volume
  • Display LED: Battery Low/Mid/High
  • Operating Voltage: 9V +20%/-40%
  • Current Consumption: 47mA
  • RF Power: 10mW
  • Frequency Stability: ±20kHz
  • Deviation: 20kHz (16.5kHz - 23.5kHz)
  • AF Frequency Response: 50Hz - 15kHz, ±3dB Overall
  • Battery Life: 12 Hours

CE277 Receiver

  • Oscillation Type: PLL
  • De-Emphasis: 50μsec
  • IF Frequency: 10.7MHz
  • Antenna: 1/4 Wavelength Rod
  • Input: DC Inlet
  • Output: Balanced and Unbalanced Outputs
  • Display LED: Receiver A/B, Power On, Peak, RF Yellow
  • Level Control: Audio Level Volume, Mute Level Control
  • Current Consumption: 160mA
  • Receiving Frequency Range: 801MHz - 805MHz
  • Sensitivity: 18dBμ
  • Squelch Sensitivity: 0 - 40dBμ
  • Selectivity: ±150kHz
  • THD: 1& Max. (@AF 1kHz, RF 46dBu)
  • Band Mute: ±40kHz / ±100kHz
  • AF Frequency Response: 50Hz - 15kHz, ±3dB Overall
  • Audio Output Level: -20dBm, Line / -40dBm Mic (Balanced)
  • Audio Output Impedance: 600Ω