AKG WMS4500 D7 Set BD7 Reference Wireless Microphone System
Description
AKG WMS4500 D7 Set BD7 Reference Wireless Microphone System
The AKG WMS4500 is a professional wireless vocal system engineered for studio sessions, live tracking, and broadcast work where RF reliability and sonic transparency matter. The D7 Reference capsule captures vocals with a rich, warm character and natural presence peak that sits cleanly in any mix without coloration, while the SR4500 receiver and HT4500 transmitter deliver rock-solid RF stability and zero dropouts across your recording or performance space. This system is the choice for producers and engineers who need dependable, transparent wireless audio for mission-critical sessions.
Wireless Performance & Range
Operating across 500 to 530.5 MHz, the system delivers up to 1200 selectable frequencies distributed across 8 UHF bands, 30 MHz wide each, with the ability to run up to 70 channels simultaneously. The 50 mW RF output (ERP) and true-diversity receiver architecture ensure consistent signal coverage and rejection of multipath interference in complex RF environments, keeping your takes clean and uninterrupted.
Microphone Capsule & Audio Characteristics
The D7 WL1 Reference features a cardioid polar pattern with a 24-carat gold-plated diaphragm, delivering a wide frequency response of 65 Hz to 20 kHz and exceptional SPL handling up to 145 dB at 3% THD. Coupled with FM modulation, a signal-to-noise ratio exceeding 120 dB(A), and audio bandwidth of 35 to 20,000 Hz, the system captures vocal detail and projection while preserving the natural character essential for studio recordings and overdubs.
Key Features
- SR4500 True-Diversity Receiver — 7.8 x 1.7 x 7.4 inches, 2.2 lbs, with large backlit color display
- HT4500 Handheld Transmitter — 9.4 x 1.5 inches, 0.28 lbs, compact form factor for extended performance
- D7 WL1 Reference Dynamic Capsule — Cardioid pattern with 24-carat gold-plated diaphragm
- Frequency Range — 500 to 530.5 MHz with up to 1200 selectable frequencies across 8 UHF bands
- Channel Capacity — Up to 70 simultaneous channels for multi-user deployments
- Battery Life — 15 hours with AA dry batteries; 12 hours with optional BP4000 rechargeable battery pack
- Audio Bandwidth — 35 to 20,000 Hz with signal-to-noise ratio exceeding 120 dB(A)
- Microphone SPL Handling — Up to 145 dB at 3% THD for demanding vocal applications
- Output Connectivity — Balanced XLR and unbalanced 1/4-inch jack with adjustable audio levels
- Included Accessories — Stand adapter and rack mounting kit for flexible installation
- Shock Absorption System — Integrated shock absorber and spring-steel wire mesh grille on capsule
- RF Output — 50 mW ERP (Effective Radiated Power) for reliable coverage
The WMS4500 D7 system pairs proven RF engineering with a capsule valued by recording professionals in studio and broadcast environments—a combination that ensures clean, interference-free audio for every take and session.
More Information
| Condition | New |
|---|
Reviews
At a Glance
The AKG WMS4500 D7 is a broadcast-grade wireless microphone system built for studio sessions, remote recordings, and controlled tracking environments where RF stability and capsule quality define the chain. The D7 Reference delivers exceptional vocal detail with a natural presence peak and transparent character that translates cleanly to mix, supported by 120 dB(A) signal-to-noise ratio and up to 145 dB SPL handling for dynamic vocal performance. Ideal for producers and engineers who need a wireless solution that doesn't compromise on audio fidelity.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Touring
- ✓ Worship
- ✓ Theatre/Stage
Frequently Asked Questions
What makes the D7 Reference capsule different from other wireless vocal mics?
The D7 WL1 Reference features a 24-carat gold-plated diaphragm, cardioid polar pattern, and produces a rich, warm vocal tone with natural presence peak that cuts through a mix without harshness. It handles up to 145 dB SPL at 3% THD and delivers a wide frequency response from 65 Hz to 20 kHz, making it trusted across live performance, broadcast, and touring applications.
How many channels can this system handle, and will it work in crowded RF environments?
The WMS4500 operates across 500 to 530.5 MHz with up to 1200 selectable frequencies across 8 UHF bands, supporting up to 70 simultaneous channels. The true-diversity receiver and 50 mW RF output (ERP) ensure consistent signal coverage and rejection of multipath interference in complex RF environments like venues and touring rigs.
What is the battery life, and what wireless range should I expect?
The HT4500 handheld transmitter runs 15 hours on AA dry batteries or 12 hours with the optional BP4000 rechargeable pack. The system provides reliable coverage across your performance space through true-diversity reception and 50 mW RF output; exact range depends on venue RF environment and antenna placement.
What's included in the box and how does it mount?
The set includes the SR4500 true-diversity receiver, HT4500 handheld transmitter, D7 WL1 Reference capsule, stand adapter, and rack mounting kit for flexible installation. The receiver measures 7.8 x 1.7 x 7.4 inches with a large backlit color display, and outputs balanced XLR and unbalanced 1/4-inch connections.
How does the audio quality compare to comparable systems?
The WMS4500 delivers audio bandwidth from 35 to 20,000 Hz with signal-to-noise ratio exceeding 120 dB(A), using FM modulation for transparent capture of vocal detail and projection. The D7 capsule's natural presence peak and rich, warm tone make it competitive with systems like the Shure ULXD24/SM7B and Sennheiser EW 935G3 in professional touring and broadcast environments.
Compare With
Similar Gear
Complete the Rig
Gear that pairs well with this.
✨ For You
Based on what you've been looking at.