CH-90 Wireless Microphone System Wholesale

PROFESSIONAL AUDIO · B2B SOURCING

CH-90 for Professional Buyers

CH-90 is a lightweight omnidirectional headset microphone positioned for meetings and performances, with an 18 g published weight and 128 dB SPL handling.

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Why Buyers Consider the CH-90

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

CH-90 is a lightweight omnidirectional headset microphone positioned for meetings and performances, with an 18 g published weight and 128 dB SPL handling.

Published Specifications

Pattern	Omnidirectional
Sensitivity	−52.5 dB ±3 dB (0 dB=1 V/Pa at 1 kHz)
Output impedance	1.8 kΩ ±30%
Published S/N	−67 dB as stated; confirm measurement convention
Maximum SPL	128 dB at 1% distortion
Capsule diameter	2.5 mm stated
Weight	18 g
Wireless compatibility	Connector and compatible bodypack not stated
Compliance	Confirm frequency legality for destination market
Package / MOQ	Request confirmation

Applications and Buyer Fit

Suitable for presenters, instructors, performers, conference suppliers and replacement-microphone distribution.

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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 CH-90 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 CH-90 for Your Market

Request current pricing, availability and distributor support.

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Model: CH-90 1. Characteristics Suitable for meetings/performances, solid in mid to low frequencies. 2. Sensitivity: -52.5dB ± 3dB (0dB=1v/pa at 1KHz) 3. Output impedance Impedance: 1.8K Ω± 30% 4. Signal to noise ratio: -67dB 5. Sound pressure resistance: 128dB, distortion 1% 6. Mic core diameter: 2.5MM volume ultra-fine single head weight Weight: 18g 7. Directional Characteristics: Omnidirectional

CH-90 Wireless Headset Microphone