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AS-4400 Quad Wireless In-Ear Monitor Band System with UHF Four 16 Channel Transmitters in a Single Rack Space




Galaxy Audio has long been known for In-Ear Monitoring Systems that offer professional features and performance at affordable prices.  Building on these promises, we now introduce the AS-4400 Quad UHF In-Ear Monitor System, a solution designed to help improve live performances on most any stage. With four separate 16 UHF Channel Wireless transmitters neatly packed into a single 1U rack space, the AS-4400 promises to deliver audio clarity and flexibility on stage.

By allowing up to four band members to have separate mixes, the AS-4400 directly addresses and mitigates common issues performers face, such as stage noise and stage clutter. Each musician can fine-tune their mix to match his or her specific needs, leading to tighter performances, better dynamics, and a more cohesive band sound.

Each AS-4400 system includes a quad transmitter, four receiver body packs, four EB5 earbuds, two antennas, four 1/4″ Audio Cables, a power supply, a manual, and a quick start guide, ensuring that your band has everything needed to immediately elevate your performance. The inclusion of EB5 earbuds with each pack means that every member can experience the full depth and nuances of their mix while helping to protect their hearing by isolating them from harmful stage levels.

The AS-4400’s sleek, compact design means it effortlessly fits into any stage setup, reducing stage clutter and allowing for a cleaner, more professional appearance. This is particularly beneficial in venues where space is at a premium or for bands that prefer a minimalist stage presence.

In essence, the AS-4400 Quad UHF In-Ear Monitor System is not just an investment in equipment; it’s an investment in any band’s health, performance, and future. Whether it’s a local gig, a tour, or a recording session, the AS-4400 ensures that your music sounds its best to you and your audience while safeguarding one of your most valuable assets—your hearing.

Embrace the future of live performance with the AS-4400 Quad UHF In-Ear Monitor System and experience the difference it can make for your band. The AS-4400 is more than a tool; it’s your partner in achieving the perfect sound, night after night.

Put the Band Pack in the Band Rack!

  • 16 Selectable UHF Frequencies
  • Mono Transmission
  • Multiple Receivers can be used with each Transmitter.
  • Single Rack Space 1U
  • 160′ Range
  • EB5 Ear Buds Included

AS-4400T Transmitter

  • Four 16-Channel UHF Transmitters
  • AF Indicator
  • Mono Transmission
  • LCD Display
  • Headphone Volume, Up/Down, and Power Button
  • Four Line Level 1/4″ Inputs
  • RF Output 30mW
  • 1/4″ Headphone Output Jack with Volume Control
  • Detachable BNC Antennas Included

AS-4400R Receiver

  • 1/8” Ear Bud Output
  • 1/8” Line Output
  • Volume Control
  • LED Channel Display
  • IR Sync Receiver, Inside Battery Door
  • Operates on 2 AA Batteries (Alkaline or Rechargeable) About 8 Hour


GALAXY AUDIO EB10 PROFESSIONAL DUAL DRIVER EARBUDS: Upgrading your earbuds can be a great improvement to your wireless monitor system or media player. The Galaxy Audio EB10 is a professional dual driver earbud system. It has two built-in transducers and a passive crossover in each ear bud. They provide Hi-Dynamics, Hi-Definition, and Low-Noise to yield accurate audio reproduction. The EB10 has a standard 3.5mm stereo jack, allowing it to be used with any brand of Wireless Personal Monitor or Digital Media Player.

The Galaxy Audio EB10 incorporates dual performance drivers and built-in crossover. The EB10's lightweight ergonomic design assures excellent sound isolation and maximum comfort during periods of extended wear. The EB10 comes with a Silver Plated cable with a Gold Plated connector.  The EB10 has a MAX Power Input of 150mW and a Sensitivity of 120 dB/mW. The EB10 has a cable over 4 feet long and the ear buds weigh 7g (0.25 oz; excluding cable). The EB10 includes zippered carrying case with a cleaning rod and three pairs of Silicon Sleeves (small, medium and large).

  • Professional Dual Driver Earbuds
  • Allows musicians to monitor their mix with full detail.
  • Design assures excellent sound isolation and maximum comfort during periods of extended wear.
  • Three different sized pairs of silicon sleeves are provided for best fit and sound isolation.
  • Nylon Soft Case Included


The EB6 features a single driver delivering full frequency performance. The Galaxy Audio EB6 has a cable over 4 feet long and the ear buds weigh 6g (less than 0.25 oz; excluding cable). The EB6 in-ear wired single driver earphones include a durable plastic carrying case with three pairs of Silicon Sleeves (small, medium and large).

  • Wideband Dyna Driver ear buds reproduce the full frequency range with natural mids, full highs, and rich bass.
  • They allow musicians to monitor their mix with full detail.
  • Three different sized pairs of silicon sleeves are provided for best fit and sound isolation.
  • Ergonomic mechanical structure ensures long time, low fatigue use.

19.69” BNC Cable & Connector Combo

This Includes:
One Wire BNC Connector Cable (Part# CN-BNCPM) and
One 19.69" (50 cm) RG58 Cable (Part# EXTBNC) for front mounting antenna.


Universal Power Adaptor AS-UA12-14.5

Universal Power Adaptor. The AS-UA12-14.5 supplies 12V DC at 1000mA to Our Wireless Microphone & Monitor systems such as the DHT, DHX, DHTRQUAD, DHXR4, PSE, ECM, ECD, EDX, AS-900, Galaxy Audio AS-1100 & AS-1800 using the common 5.5mm barrel plug with center positive. The universal AC power adaptor comes with 4 different AC plug adaptors, and will accept any input voltage from 100 to 240v AC, 50-60Hz, which means it will work in nearly every country on the planet.

  • 12V DC 1000mA
  • 5.5mm PLUG
  • Converts Systems To Accept 230 VAC.

Power Supply PS-13.5-.35.5

Microphone power supply for AS-900T, AS-1100T, AS-1400T, VESR, VSCR, ECDR, EDXR, ECMR, PSER, DHTR, & DHXR.

  • 13.5 Volt 300 mA-
  • 5.5 mm PLUG
AS-4400 SYSTEM  
Band UHF
Frequencies Range CODE M3 508-535 MHz
CODE M4 534-551 MHz
Frequencies 16
RF Output power 30 mW
Operating Range Under Typical Conditions 160' (50m)
Note: Actual range depends on RF signal absorption, reflection, interference, and battery characteristics
Audio Frequency Response 60Hz - 17kHz +/-3dB
Total Harmonic Distortion <0.5% @ 1kHz
Operating Temperature Range 14º F to 122º F (-10º C to 50º C)
Note: battery characteristics may limit this range
Main Frame Size EIA STANDARD 1 U
Modulation Mode Mono 
RF Output 30 mW
Max Audio Input Level +6dBV
Controls Headphone Volume, Channel Up/Down, and Power Button
Indicators LCD Display, Channel, Frequency Band, Frequency, Lock, & Mute
Audio Input Line Level x 4, 1/4" (6.3mm) Jacks
Transmitter Antenna Detachable 1/2 Wave BNC Antenna
Power Requirements 12-18 V DC at 1000 mA, supplied by external power supply
Dimensions 19" x 7" x 1. 7" (483 x 177 x 44mm) (WxDxH)
Weight 64.6 oz (1.84 g)
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 "AA" size alkaline or rechargeable batteries
Battery Life About 8 hours (alkaline)
Dimensions 3.8" x 2.4" x 8.26" (96 x 62 x 210mm) (WxDxH)
Weight 2.4 oz (65 g) without batteries
Cut Sheet ( PDF - 2.83 MB )
Manual ( PDF - 4.85 MB )
Quick Start Guide ( PDF - 3.16 MB )
M3 & M4 Frequency Chart ( PDF - 42 kB )
M3 & M4 Frequency Chart ( JPG - 352 kB )

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