Home / Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band
  • Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band
  • Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band
  • Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band
  • Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band
  • Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band
  • Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band

Acemic S4A Stereo Wireless In-Ear Monitor System for Whole Band

WISHLIST
4 Channel Stereo Wireless In-Ear Monitor System for Whole Band
Features
S4A is an excellent wireless in-ear monitor system, stereo and mono, good for stage/gigs performance
UHF technology, 30MHz bandwidth, 100 preset channels
Dual antennas reception ensures stable signal, range up to 263 feet (80m) in open area
Uses a CODEC chip and a 48KHz/24bit sampling rate to ensure crystal clear sound quality
Stereo L/R channel isolation > 60dB
Stereo and mono mode available on transmitter
Aluminum alloy bodypack, built-in 1000mAh lithium battery, battery life: 6 hours
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  • Detail
    Model: S4A
    Stereo, 4 Channel
    Operating Range: 80m, 263ft

    Receiver (bodypack)
    Frequency range: UHF 606-630MHz (USA: UHF 902-928MHz)
    Modulation：Integrated 
    Audio sampling：24bit/48KHz
    T.H.D：<0.5%@1KHz
    Frequency response：20Hz-20KHz(±3dB)
    Stereo separation：≥60dB @1KHz
    Output jack：3.5mmφ stereo earbuds jack
    Output power of earbuds：80mW@32Ω THD+N = 1%
    Latency：6ms ( typical)
    Frequency match：Adjust manually
    Power supply：Built-in rechargeable 3.7V lithium battery
    Battery life：≥6 hours
    Operating range：80 meters (ideal open area)
    Display：IPS TFT display
    Dimensions (mm)：64(width) x 102(height) x 24(depth)

    Transmitter (main unit)
    Frequency range：UHF 606-630MHz (USA: UHF 902-928MHz)
    Modulation：Integrated 
    T.H.D：<0.5%@1KHz
    Frequency response：20Hz-20KHz(±3dB)
    Audio output：6.35mmφ balanced socket x2 (LOOP OUT)
    Audio input：6.35mmφ balanced socketx2
    Audio input level：+10dBu(max)
    Output power of earbuds for front panel of transmitter：80mW@32Ω THD+N=1%
    Power supply：DC 12V/1000mA
    Display：IPS TFT display
    Dimensions (mm)：210(width) x 45(height) x 180(depth)

    About this item:
    【Complete Wireless Monitoring Solution】This professional wireless in-ear monitor system delivers reliable, high-fidelity audio monitoring for performers and creators. Designed with 4 separate stereo/mono channels, it supports multiple users simultaneously—perfect for bands, worship teams, stage performers, and live sound engineers who demand clarity and independence in their mixes.
    【Crystal-Clear UHF Transmission】Utilizing advanced UHF technology with 4×100 selectable frequencies, the wireless in-ear monitor system ensures clean signal transmission with minimal interference. With a powerful range of up to 263ft (80m) in line of sight, it provides stable, drop-free monitoring so performers can move freely and stay focused, even in crowded RF environments. IR sync allows for fast, hassle-free pairing with additional bodypacks.
    【Flexible Inputs & Loop Outputs】Each channel features its own left/right input and loop output, requiring only four aux sends from your mixing console to deliver four fully independent monitor mixes. The loop-through outputs enable easy daisy-chaining to other audio equipment—maximizing flexibility in complex stage setups.
    【Live Performance Ready】Built with touring in mind, this wireless in-ear monitor system includes a sturdy 1U transmitter unit, rackmount hardware, and four compact bodypack receivers. It minimizes stage clutter while solving the feedback and volume wars of traditional floor wedges. Switchable stereo and mono modes let each musician tailor the mix to their needs.
    【Ideal for Musicians & Audio Professionals】Whether you're gigging with a band, mixing for a worship team, or managing live event audio, this wireless in-ear monitor system enhances performance with precise monitoring. Compact, durable, and easy to deploy, it’s a game-changer for live sound setups.
    【What’s in the Box】1 x Wireless Transmitter Unit, 4 x UHF Bodypack Receivers, 4 x In-Ear Monitors, 2 x Antennas, 1 x Power Adapter, 1 x Audio Cable, 1 x User Manual



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