Professional Wired Square Tube Conference Microphone | MK-688

The MK-688 is a premier professional capacitive electret microphone featuring a solemn metal panel design and a stable square tube architecture. Optimized for modern boardroom aesthetics, it offers superior mobile phone anti-interference, low-impedance balanced output, and an integrated LED light ring for clear speech monitoring.

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Full Technical Specifications

Parameter

Specifications

Conversion Method

Capacitive (Electret)

Frequency Response

70Hz – 18kHz

Directionality

Heart / Supercardioid

Output Impedance

75 Ω (Balanced)

Sensitivity

-45dB

Max Input Volume

135dB Sound Pressure

Signal to Noise Ratio

70 dB

Power Supply

Phantom 48V

Target Audience

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System Integration Engineers
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Global B2B Hardware Distributors
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Educational Infrastructure Providers

Key Scenarios

Corporate

Modern Boardrooms & Strategy Rooms

Government

Legislative Halls & Press Briefing Hubs

B2B Manufacturing & Sourcing Support

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Shielding Assurance

The MK-688 features proprietary anti-interference shielding, specifically engineered to negate mobile phone RF noise in high-density office environments[cite: 44].

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Balanced Output Integration

Equipped with a low-impedance balanced audio output, this model ensures lossless signal transmission over long boardroom cabling runs[cite: 45].

Global OEM/ODM Partnership

Maiku Electronic Tech supports high-volume customization for global AV brands:

Full Logo Branding (Laser Marking)
Custom Housing & Panel Finishes
Hardware Packaging Design

Factory Location: Enping, China • ISO 9001 Certified