Studiomaster W4U-RL4 4-Channel Digital Wireless System with 4 Beltpack Transmitters

SKU #: W4U-RL4
$915.00
As low as $92/mo or 0% APR with Affirm Logo
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Expected May 31, 2025

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This wireless microphone system is suitable for sound reinforcement applications in a variety of entertainment places, as well as various professional sound reinforcement applications such as mobile performances, auditorium sound reinforcement, speeches, conferences, education and training, religious places, government meetings, and multi-function halls. Each package provides a receiver and a matching number of transmitters.

No matter in terms of language, speech, meeting, host, or live performance, it can be used in any situation, place, and time to get rid of complex on-site layout needs and provide the most reliable links, and present the most authentic sound restoration at every moment. The main applications for business communicati0on: conferences, primary and secondary education, hotels, higher education, religious places, enterprises, and governments.

Studiomaster W4U-RL4 4-Channel Wireless System Features:

  • Multi-channel selection (2/3/8 channels.)
  • Automatic frequency scanning.
  • Infrared frequency comparison.
  • Intelligent adaptation.
  • Strong anti-interference.
  • Digital transmission.
  • Video Tracking.
  • Real time noise suppression: real-time elimination of background noise, so that users can fully focus on the voice in the call.
  • Automatic frequency coordination: the system automatically scans the available spectrum and selects clear and clean transmission channels to achieve the best performance.
  • Interference avoidance: the system can detect and avoid unexpected interference, and channel adjustment can prevent interference to audio.
  • RF efficiency: perfect PLL RS stabilization technology can provide better sound quality and wider dynamic range, to ensure the highest quality sound in any environment.
  • Encryption: standard AES-128 encryption of audio and data can ensure the privacy of conference content.
  • Data control: provides control functions for central control, audio and speaker equipment, realizing video tracking, voice control, etc.
  • User-friendly interface: high-definition TFT color display screen provides a complete overview of system information, and enables users to set up shortcuts.
  • Power monitoring: real-time power monitoring of each transmitter, ensuring uninterrupted use in the field.
  • Electronic Volume: 30-level electronic volume control can precisely control the volume of each channel.
  • Multi-platform systems work together: the receiver provides 2/4/8 channels. The transmitter provides handheld, backpack, and desktop conference microphones. Users can mix and match them freely.
  • One-key frequency matching: One--key fast data synchronization between the receiver and the transmitter, convenient and fast.
  • Multiple audio interface outputs: each channel has an independent balanced audio output XLR (male), a mixed output TS (6.35 mm 2-core), and a cascade output TS (6.35 mm 2-core.)
  • Audio Cascade: when multiple receivers are used in stacked, all receivers can achieve unified audio management through the cascade audio interface.

Studiomaster W4U-RL4 Product Specifications:

Number of receiver channels: 2, 4, and 8 channels are optional.
Cabinet specification: EIA standard, 1U (2 and 4 channels), 2U (8 channels)
Receiving mode: superheterodyne secondary frequency conversion.
Frequency oscillation mode: PLL phase locking frequency synthesis.
Frequency response: 20Hz-20KHz (± 1dB) (depending on the pickup)
Carrier wave frequency band: UHF UHF 520-580MKz 610MHz-69MHz 707MHz-757MHz (optional according to different regions)
Band Width: 40MHz-80MHz
Number of channels: 400
Frequency sync: one button IR frequency sync setting
Modulation type: frequency modulation (FM)
Pilot frequency: 30.27KHz
RF sensitivity: < -99dBm
Image suppression: > 80dB
Frequency stability: ≤ ± 0.005% (-10~60 °C)
Dynamic range: > 90dB
Maximum Frequency deviation: ± 45KHz
Comprehensive signal-to-noise ratio: > 85dB (A-weighted)
Comprehensive distortion rate: < 0.5% @ 1KHz
Sensitivity: input 6dB μ When V, S/N > 80dB
Audio output: balanced XLR: +5dbV / Unbalanced TS 6.3mm: +5dbV
Audio output impedance: balanced XLR: 6.6KΩ / Unbalanced TS 6.3mm: 440 Ω
Volume output: 30 level electronic volume control.
Display mode: 1.77 inch TFT color full view display
Display content: Channel, frequency, group, antenna A+B automatic selection, RF/AF signal strength, transmitter battery power, RF strength setting, function locking, submenu display
Control mode: automatic frequency coordination, frequency adjustment, volume adjustment, interface locking, frequency pairing, power switch.
Control interface: RS485 code control
Audio output interface: Unbalanced TS 6.35mm hybrid connector x 1, Independent balanced XLR audio connector x 2 (2 channels), Independent balanced XLR audio connector x 4 (4 channels), Independent balanced XLR audio connector x 8 (8 channels)
Power supply: 12V DC 2000mA max
Power: 2-channel 5W, 4-channel 10W, 8-channel 20W
Working temperature: -10 °C - 60 °C
Working distance: about 80m (working distance depends on many environmental factors, including absorption, reflection, and interference of RF signal)
Package Size: 520x405x70mm (one driven two) 520x350x170mm (one driven two conferences, one driven four)
Weight: about 4.8kg (conference, one driven two), 5.7kg (conference, one driven four), 12.2 (conference, one driven eight)

Each W4U-RL4 Retail Box Includes:

(1) Studiomaster W4U-RL4 4-Channel Digital Wireless System Receiver
(4) Beltpack Transmitters

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