Galaxy Audio AS-4100 Wireless Personal In-Ear Monitor System

The Galaxy Audio AS-4100 is a professional wireless personal in-ear monitor system built around a streamlined single-transmitter design for dependable stage monitoring. Operating in the UHF band with 16 selectable frequencies and IR sync pairing, it’s designed to deliver clear, consistent monitoring for performers and engineers who need quick setup and reliable performance.

Whether you’re running monitor mixes for musicians, vocalists, audio engineers, or a house of worship, the AS-4100 helps you stay locked in with an extended 60Hz–17kHz audio frequency response and low distortion for accurate detail. With up to 160 feet of operating range under typical conditions and a 30mW RF output, the system is engineered for confident wireless coverage while keeping controls intuitive and easy to manage.

Key Features Of This UHF In-Ear Monitoring System

• UHF Wireless Performance: Operates in the UHF band for clear, reliable monitoring with 16 selectable UHF frequencies.
• Fast IR Sync Pairing: Auto frequency pairing via IR sync enables quick setup and easy receiver matching.
• Wide Frequency Response: 60Hz–17kHz (+/-3dB) response helps preserve detail and clarity for confident in-ear mixes.
• Stage-Ready Transmitter: AS-4100T transmitter includes a backlit LCD display, mono modulation mode, and detachable BNC antenna.
• Strong RF Output: 30mW RF output supports solid signal strength under typical working conditions.
• Long Receiver Runtime: AS-4000R bodypack receiver provides about 8 hours of battery life using standard AA alkaline batteries.
• Simple, Performer-Focused Controls: Receiver volume and power controls plus clear LCD/indicator visibility to stay focused during performance.
• Ready To Rack: Includes a single/dual rack mount kit for flexible installation and tidy stage or booth setups.

Technical Specifications

AS-4100 System

• Band: UHF
• Frequency Range: CODE M3 508–535 MHz; CODE M4 534–551 MHz
• Selectable Frequencies: 16
• RF Output Power: 30 mW
• Operating Range: Under typical conditions 160 ft (50 m)
• Audio Frequency Response: 60Hz–17kHz +/-3dB
• Total Harmonic Distortion: <0.5% @ 1kHz
• Operating Temperature: 14°F to 122°F (-10°C to 50°C)

AS-4100T Transmitter

• Modulation Mode: Mono
• RF Output: 30 mW
• Max Audio Input Level: +6 dBV
• Controls: Headphone Volume, Channel Up/Down, Power Button
• Indicators: LCD Display, Channel, Frequency Band, Frequency, Lock, Mute
• Audio Input: Line Level, 1/4" (6.3mm) Jack
• Transmitter Antenna: Detachable 1/2 Wave BNC Antenna
• Power Requirements: 12–18 V DC at 500 mA (external power supply)
• Dimensions (H x W x D): 1.73" x 8.34" x 3.77"

AS-4000R Bodypack Receiver

• Audio Output Level: >65 mW
• Output Connector: 1/8" (3.5mm) Line Out & Earbud Connector
• Controls: Volume, Power Button
• Indicators: LCD Display, RF LED
• Power Requirements: 2 x AA alkaline or rechargeable batteries
• Battery Life: About 8 hours (alkaline)
• Dimensions (W x D x H): 3.8" x 2.4" x 8.26"

What's Included

• AS-4100T Transmitter
• AS-4000R Body Pack Receiver
• EB5 Earbuds
• 1/4" Line Level Audio Cable
• Antenna
• Power Supply
• Single/Dual Rack Mount Kit
• Quick Start Guide