BNK ES400 UHF Digital 4-Channel Wireless Microphone System.
- 1 x BNK ES400 Rack-Mountable 4-Channel UHF Receiver Station
- 4 x Heavy-Duty Handheld Wireless Digital Microphones
- 1 x Power Supply Adapter
- 1 x 1/4″ Male-to-Male Audio Link Cable
- 4 x Anti-Rolling Protection Rings
- 1 x Professional User Setup Manual
KSh 28,000 KSh 35,000
- Simultaneous 4-Mic Setup: Drive up to four independent wireless channels seamlessly without cross-frequency interference.
- Advanced UHF Digital Tracking: Utilizes robust Ultra-High Frequency bands to ensure deep signal penetration and stable range.
- Independent Volume Calibration: Features four dedicated front-facing knobs to fine-tune volume levels individually per channel.
- Intuitive LCD Command Displays: Crisp digital status screens built directly into both the receiver console and individual mic handles tracking frequency pairings.
- Road-Ready Construction: Encased in standard 19-inch metal casing designed for instant installation into standard equipment racks and mobile flight cases
| Parameter | Specification |
|---|---|
| System Type | Professional UHF Quad-Channel |
| Frequency Range | UHF 500 – 599 MHz / 500 – 900 MHz (Region Dependent) |
| Selectable Channels | Up to 100 Adjustable UHF Channels |
| Operational Range | Up to 80 – 100 Meters (328 Feet) line-of-sight |
| Frequency Response | 50 Hz – 18 kHz (Optimized for clear vocal presence) |
| Dynamic Range | > 100 dB |
| Signal-to-Noise Ratio (S/N) | ≥ 90 dB |
| Total Harmonic Distortion (THD) | < 0.5% |
| Microphone Cartridge Type | High-Fidelity Dynamic, Cardioid Pickup Pattern |
| Audio Outputs | 4 x Balanced XLR Outputs & 1 x Mixed 1/4″ (6.35mm) TS Jack |
| Microphone Power Supply | 2 x AA Alkaline Batteries per transmitter |
| Receiver Base Station Power | External DC 12V Adapter (Included) |
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– Multi-channel UHF band to eliminate interference
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– Compounding design to expand effective range.
– Eliminates feed-backs and noise and reduces chance of interference.
– Sensitive receiving antennas positioned at the back of the receiver.
– Perfect for church, musical concerts and many more.
– Operating Distance: 150 meters
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BNK BK744 (also listed as DH-744) is a budget-friendly 2-in-1 UHF/VHF wireless microphone system commonly used for karaoke, church services, small events, and public speaking in Kenya.
Key Specifications & Features
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System type: Dual-channel wireless (2 handheld mics + 1 receiver)
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Frequency range: VHF 210–290 MHz (some listings describe it as UHF-class performance for reduced interference)
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Transmission range: Up to 100 m in open space; ~75–100 m in typical indoor/congested environments
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Frequency response: Approximately 50 Hz – 17 kHz (dynamic capsule)
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Controls: Independent volume control per microphone on the receiver for flexible mixing
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Use cases: Public address, karaoke, church, school events, stage performances, small conferences
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Build & operation: Plug-and-play setup, durable handheld design, rechargeable battery system
Typical Package Contents
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2 × wireless handheld microphones
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1 × receiver unit
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Audio output cable (usually 6.35 mm jack)
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Charging cable
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User manual
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About this item
- HIGH Vocal Quality & JBL Original Pro Sound – The crystal clear clarity of JBL wireless microphones means they won’t stuck, delay or distort. Your voice will sound on point, with the back of the amazing JBL Original Pro sound.
- RECHARGEABLE DUAL CHANNEL UHF WIRELESS RECEIVER – No need to fly alone, unless you want to take center stage, of course. Connect two wireless microphones together and hear both voices mixed seamlessly through the speaker for up to 6 hours of playback.
- PLUG AND PLAY – When you want to be heard, you want to be heard now. JBL wireless microphones have a super simple setup. Simply turn on the receiver and wireless microphone and you’re ready to go instantly.
- MICROPHONES COME WITH REPLACEABLE AA BATTERIES – JBL wireless microphones come with easy-to-replace AA batteries, so put your slot all night long.
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Key Features of JBL URX 9900
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Advanced UHF Wireless Technology – Ensures stable, interference-free audio transmission.
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Dual Handheld Microphones – Perfect for duets, interviews, church services, and stage performances.
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Adjustable Frequency Channels – Helps avoid signal interference in crowded wireless environments.
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High Sensitivity & Signal-to-Noise Ratio – Delivers clear, high-fidelity sound with minimal background noise.
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Long Wireless Range – Operates up to 100–250 meters, giving performers freedom of movement.
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Durable Professional Build – Designed for stage use, events, DJs, and public speaking.
JBL URX 9900 Specifications
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Model: JBL URX 9900
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System Type: UHF Wireless Microphone System
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Microphones: Dual Handheld Dynamic Microphones
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Frequency Range: 600 – 699 MHz (varies by region)
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Operating Range: Up to 250 meters
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Transmitter Power: < 10 mW
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Receiver Outputs:
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2 × XLR Outputs
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1 × 6.3 mm (1/4″) Unbalanced Output
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What’s in the Box
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2 × JBL URX 9900 Handheld Wireless Transmitters
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1 × JBL URX 9900 Receiver
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1 × 6.3 mm Audio Cable
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1 × Power Adapter
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