Sirus Quad R/4B 4 Headmike O 823 Set

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Sirus Quad R/4B 4 Headmike O 823 Set

Sirus

Quad R/4B 4 Headmike O 823 Set

5 Expert Rating

Product Info

Article Number: 532934
Brand: Sirus
Model: Quad R/4B 4 Headmike O 823 Set
Price: $614.90

* Prices may vary. Check retailer for current pricing and availability.

The Sirus Quad R/4B is a solid, reliable wireless system, particularly good for presenters, instructors, or anyone needing a clear, consistent signal for vocal performances. It’s a well-built, rack-mountable solution that prioritizes ease of use and dependable performance over flashy features—a workhorse for consistent, live sound.

Product Description

Sirus Quad R/4B 4 Headmike O 823 Set

*Bundle offer comprising*, Sirus Quad R 823 MKII

  • *4-Channel UHF Radio Receiver*
  • Frequency scan
  • Volume control
  • Auto Squelch
  • Battery indicator and infrared transmission of settings from receiver to transmitter per channel
  • Outputs: XLR male per channel
  • plus 1x XLR / 6.3mm jack sum output
  • Frequency band: 823-832 & 863-865 MHz
  • Frequency range: 40 - 18
  • 000 Hz
  • Total harmonic distortion: <0.5% @ 1kHz
  • Signal-to-noise ratio : >110dB
  • Sensitivity: -95~ -75dBm
  • Modulation type: PLL
  • Power supply via external plug-in power supply: 12 V DC
  • 600 mA
  • polarity: centre positive
  • Detachable BNC antennas
  • Dimensions: 19" 1U
  • Installation depth: 215 mm (without antennas)
  • Weight: 1.95 kg

*suitable accessories* (not included), Handheld transmitter: art. #563361#, Pocket transmitter: art. #563359#, Conference table station: art. #563360#, 4x Sirus Quad B 823 MKII

  • *Pocket Transmitter*
  • Compatible with the Sirus Quad R 823 MKII (Art. #563362#)
  • Connection: Mini-XLR 3-pin (TQG
  • compatible with the t.bone and AKG)
  • Synchronisation with the receiver via Infra-Red
  • Frequency band: 823 - 832 and 863 - 865 MHz
  • Frequency range: 40 - 18
  • 000 Hz
  • Total harmonic distortion: <0.5% @ 1kHz
  • Transmitter power: < 30 mW (switchable)
  • Batteries: 2 x AA 1.5 V
  • Battery life: 8 or 15 hours (depending on transmission power)
  • Display: Frequency and battery status
  • Detachable antenna: 85 mm
  • Dimensions without antenna (H x W x D) 95 x 62 x 34 mm
  • Weight: 100 g
  • Colour: Matte Black
  • 4x the t.bone HeadmiKe - O AKG
  • *Headset Microphone*
  • Lightweight condenser headset microphone
  • Two earhooks
  • Left/right adjustable
  • Polar pattern: Omnidirectional
  • 3-Pin mini XLR connector suitable for AKG Bodypack transmitter
  • Cable length: approx. 120 cm
  • Colour: Beige
  • Includes cable clip
  • Additional draft shield: Article number #185514# or #355914# both (not included)
PROS
  • • Infrared settings sync simplifies channel management significantly.
  • • Robust 19" rackmount receiver saves valuable stage space.
  • • Wide 40-18kHz frequency range captures vocal nuances clearly.
  • • Auto-squelch minimizes interference, ensuring reliable signal.
CONS
  • • Limited frequency band might face congestion in densely populated areas.
  • • Power supply dependency adds to potential failure points on stage.
  • • Headmike design restricts movement compared to more flexible options.

Product Video

Key Features

Frequency Band 823-832 & 863-865 MHz
Channels 4
Range Typical range of 100-150 feet (line of sight, dependent on environment)
Mic Type Headset Microphone (O 823)
Battery Life Approximately 6-8 hours with standard AA batteries (transmitter)
Receiver Outputs XLR male (per channel), XLR/6.3mm jack (sum output)

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Frequently Asked Questions

It’s best to scan regularly, as the limited band can be susceptible to interference. A spectrum analyzer is recommended for professional use.
It utilizes standard AA batteries, which are widely available. The battery compartment is accessible from the rear of the transmitter.
No, the receiver provides a flat signal pass-through. Any EQ or tone shaping would need to be handled externally with your mixer or processing chain.

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