BK-840 Wireless Microphone System Wholesale

PROFESSIONAL AUDIO · B2B SOURCING

BK-840 for Professional Buyers

BK-840 is an eight-channel conference wireless system with 240 selectable frequencies, infrared synchronization and wireless charging.

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Why Buyers Consider the BK-840

Clear sourcing profile: key RF, audio and power data are consolidated for comparison.
Application flexibility: suitable for professional audio, education, events and installation channels.
Regional ordering: exact operating band must be legal in the destination market.
Order verification: confirm transmitter type, included accessories, connector and carton details before purchase.

Product Overview

BK-840 is an eight-channel conference wireless system with 240 selectable frequencies, infrared synchronization and wireless charging.

Published Specifications

Channels	8 independent receiver channels
Selectable frequencies	240 total / 30 per channel
Frequency range	630–690 MHz
Sync	Infrared automatic
Charging	Intelligent wireless charging stated
Balanced / audio output	0–400 mV
Sensitivity	12 dBμV at 80 dB S/N
Transmit power	10–20 mW
Modulation	FM
Maximum deviation	±45 kHz
Display	LED
Distance	50–100 m
Compliance	Confirm frequency legality for destination market
Package / MOQ	Request confirmation

Applications and Buyer Fit

Suitable for meeting rooms, panel discussions, education, government AV and conference-system integrators.

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Wholesale and Project Support

Contact ELEGAUDIO for pricing, quantities, availability, packing details and project requirements. Include destination market, quantity and intended application.

Frequently Asked Questions

Is the BK-840 available for wholesale orders?
Yes. Contact ELEGAUDIO with your quantity, destination market and application for current pricing and availability.

Can specifications or packaging be confirmed before ordering?
Yes. Request the current specification sheet, packing information and order details before purchase.

What information should I include in an inquiry?
Please include model, quantity, destination country and intended application for a faster quotation.

Source the BK-840 for Your Market

Request current pricing, availability and distributor support.

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Adjustable frequencies: 240 channels (30 channels per path), 8-channel independent amplified reception, intelligent wireless charging, infrared automatic frequency synchronization Balanced output: 0-400mV; Audio output: 0-400mV Frequency range: 630MHz-690MHz Sensitivity: 12dBuV (80dB S/N) Transmission power: 10mW-20mW Adjustment mode: FM Maximum frequency deviation: ±45KHz Easy to install, with powerful and stable functions and anti-interference design. Equipped with LED display, effective transmission distance: 50-100 meters.

BK-840 Wireless Microphone Conference System