AKG WMS4500 D7 Set BD7 Reference Wireless Microphone System
Description
AKG WMS4500 D7 Set BD7 Reference Wireless Microphone System
The AKG WMS4500 delivers the professional weight, balance, and sonic character that defines a working wireless system built for stage demands. The D7 Reference capsule produces a rich, warm vocal tone with natural presence peak that cuts through any mix without harshness, while the SR4500 receiver and HT4500 transmitter provide rock-solid RF stability and zero dropouts across your performance space. This is the system choice for working musicians who require reliable, transparent audio night after night.
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—critical when you're moving across a packed stage or festival grounds.
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, you get vocal detail with clarity and projection while keeping the natural character that connects with your audience.
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 combines bulletproof RF engineering with a capsule trusted by touring and gigging professionals—the kind of dependable gear that stays locked in through entire festival lineups, multi-night runs, and venues of every size. Your wireless signal and your tone remain exactly as you need them, night after night.
More Information
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Reviews
At a Glance
The AKG WMS4500 D7 is a professional UHF wireless system engineered for touring musicians and live performers who demand rock-solid RF stability and transparent vocal tone night after night. The D7 Reference capsule delivers a rich, warm presence that cuts through any mix without harshness, while the true-diversity receiver and 50 mW RF output ensure zero dropouts across your performance space. Choose this system when reliability and audio character matter more than compromise.
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.