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🎤 2× SM28 Beige Condenser Headsets – Discreet, lightweight design with natural, articulate vocal capture.
📡 Encrypted UHF Bodypack Transmitters – Metal bodypacks deliver a secure, interference‑free link up to 100-300 meters.
🖥️ 1U Rack Receiver with Blue LED – Real‑time monitoring of frequency, RF/AF signal, and battery status.
🔄 Dual Independent Channels – Two headsets operate simultaneously with zero crosstalk, ideal for duos or panels.
🎶 All‑Scenario Freedom – Perfect for stage plays, fitness, church, corporate training, lectures, and live streams.
2× Bodypack Transmitters | 2× SM28 Beige Condenser Headsets | 1U Rack Receiver | Encrypted UHF | 100-300m Range
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The AD4D Dual-Channel UHF Digital Wireless SM28 Headset System combines hands‑free convenience with professional audio security. It includes two metal bodypack transmitters and two SM28 beige condenser headset microphones — lightweight, discreet, and tuned for articulate speech and vocals. The 19" 1U rack receiver with blue LED display keeps all vital information in view, while encrypted digital UHF transmission guarantees a private, rock‑solid connection up to 100 meters. Ideal for theater, worship, fitness, education, and corporate events.
Each SM28 headset features a high‑quality condenser capsule that captures speech and vocals with exceptional clarity. The beige, low‑profile frame stays comfortable and nearly invisible under stage lights or on camera, making it a top choice for theater, presentations, and broadcast.
The robust metal bodypacks transmit on digital UHF with encryption, locking your audio from eavesdropping and RF interference. Enjoy 100-300 meters of stable range — walk the stage, roam the classroom, or lead a fitness class without losing a word.
The AD4D receiver provides two independent UHF channels, each with up to 100 selectable frequencies. Two presenters, instructors, or performers can wear the SM28 headsets at the same time with no crosstalk — perfect for co‑hosts, panel talks, or dual fitness demos.
The black metal 19" 1U chassis integrates effortlessly into any rack system. The bright blue LED display shows frequency, RF/AF levels, and transmitter battery status in real time — so sound engineers and users alike have full visibility from soundcheck to final bow.
From live theater & stage plays to church services, fitness instruction, school lectures, DJ livestreams, and corporate keynotes — the AD4D SM28 system delivers encrypted, hands‑free audio with simple plug‑and‑play setup.
| Parameter | Specification |
|---|---|
| System Configuration | 1× AD4D Digital Dual Receiver + 2× Bodypack Transmitters + 2× SM28 Beige Headsets |
| Frequency Band | UHF (600–680 MHz typical) |
| Channels | Dual independent channels, up to 100 frequencies each |
| Transmission Type | Digital UHF with encryption |
| Operating Range | Up to 100-300 meters (open area) |
| Receiver Display | Blue LED display (frequency, RF/AF, battery) |
| Receiver Enclosure | Black metal, 19" 1U rack-mountable |
| Transmitter Type | Bodypack transmitter (metal housing) |
| Headset Microphone | SM28 beige condenser headset, lightweight frame |
| Battery Life | Approx. 8 hours (AA batteries) |
| Outputs | XLR balanced + 1/4″ mixed output |
| Ideal For | Stage, theater, fitness, church, school, corporate, live stream |
| Warranty | 1 Year (Manufacturer: MiCWL Audio Inc.) |
🛡️ Authorized Dealer Warranty: This AD4D SM28 headset system is brand new in original packaging, sold by MiCWL Audio Inc. as an authorized dealer. Covered by a 1‑Year Manufacturer Warranty. Buy with confidence.
Whether you need a specific frequency band, additional headsets, or a custom multi‑system setup — we’re here to help.
✉️ shop@micwlaudio.com© 2026 MiCWL Audio Inc. All rights reserved.
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