Harmonai GP-224 Quad-Channel Wireless Conference Microphone System

Professional quad-channel UHF wireless conference microphone system (640–690 MHz), supporting up to 5 systems simultaneously without interference. Features IR infrared sync tuning,...

$139.56

Model: GP-224
Category: Microphones
Images: 4 images
Status: ready

Product Brief

Harmonai GP-224 Quad-Channel Wireless Conference Microphone System

Overview

Professional quad-channel UHF wireless conference microphone system (640–690 MHz), supporting up to 5 systems simultaneously without interference. Features IR infrared sync tuning,...

Price: $139.56
Model: GP-224
Category: Microphones

Specifications

Parameter	Value
Type	Wireless conference microphone system
Brand	Harmonai
Model	GP-224
Number of channels	Quad-channel
Reception method	Superheterodyne reception
Operating frequency	640–690 MHz
Carrier band	470–960 MHz
Stackable units	5 units (for simultaneous operation)
Channels per channel	50 groups
Image rejection	45 dB
RF sensitivity	S/N ≥45 dB at 10 dBμV input
Receiver display	2.0-inch TFT full-color display
Frequency synchronization method	IR infrared sync tuning
Output level	LINE 0.5 Vpp
Output level adjustment	30-step adjustable, attenuating type, 1 dB per step
Receiver power supply	DC 12 V / 1 A
Receiver operating current	600 mA
Operating range	≥60 meters (ideal conditions)
Receiver power consumption	10 W
Receiver dimensions	485 × 240 × 45 mm
Receiver net weight	2 kg
Receiver color	Black
Receiver mounting method	EIA-standard 1U rack-mount
Transmitter oscillation method	PLL frequency synthesis

Service Support

We support project consultation, model recommendation, bulk purchasing and catalog delivery for retail, multipurpose halls, conference rooms and live events.

Business hours: Monday to Friday 09:00 - 18:30
Inquiry channels: phone / email / website form
Tip: share budget, quantity and use scenario in advance

Harmonai GP-224 wireless conference microphone system product image

Product Overview

The Harmonai GP-224 is a quad-channel wireless conference microphone system, engineered for meeting rooms, training rooms, multi-function halls, and similar environments. It operates in the professional UHF 640–690 MHz band and employs PLL frequency synthesis technology to ensure stable, reliable signal transmission. The receiver features a 2.0-inch TFT full-color display, while the transmitter uses a 2.47-inch LCD screen—dual displays provide real-time status feedback. IR infrared sync tuning enables fast, hassle-free channel matching, and 30-step output level adjustment allows precise volume control.

Number of Channels

Quad-channel; supports up to 5 systems operating simultaneously

Operating Frequency

640–690 MHz (carrier band: 470–960 MHz)

Reception Method

Superheterodyne reception

Display

Receiver: 2.0-inch TFT full-color display / Transmitter: 2.47-inch LCD

Frequency Synchronization

IR infrared sync tuning

Output Level

LINE 0.5 Vpp, adjustable in 30 steps (1 dB per step)

Operating Range

≥60 meters (in ideal conditions)

Transmit Power

13.5 dBm

Battery Life

≥10 hours (AA 1.5 V × 3)

Mounting Method

EIA-standard 1U rack-mount receiver + desktop transmitter

Recommended Applications

The GP-224 quad-channel wireless conference microphone system is ideal for small-to-medium meeting rooms, training classrooms, multi-function auditoriums, and banquet halls. Its quad-channel design supports multiple microphones concurrently, accommodating group discussions and panel presentations. With a ≥60-meter operating range, it covers most indoor venues, and IR infrared tuning ensures rapid, error-free setup—making it perfect for meetings, training sessions, speeches, and forums.

For detailed specifications or bulk procurement options for the Harmonai GP-224 wireless conference microphone system, contact us today for a professional quotation.