Harmonai GP-800 Professional Preamp Effects Processor image 1

Harmonai GP-800 Professional Preamp Effects Processor — For KTV, Stages & Multi-Function Venues

The Harmonai GP-800 is a professional preamp effects processor designed for KTV rooms, multi-function halls, and small stages. It features four independent microphone inputs (2 fro...

$186.88

Model: GP-800
Category: Stage Accessories
Images: 4 images
Status: ready

Product Brief

Harmonai GP-800 Professional Preamp Effects Processor — For KTV, Stages & Multi-Function Venues

Overview

The Harmonai GP-800 is a professional preamp effects processor designed for KTV rooms, multi-function halls, and small stages. It features four independent microphone inputs (2 fro...

Price: $186.88
Model: GP-800
Category: Stage Accessories

Specifications

Parameter	Value
Model Number	GP-800
Manufacturer	Harmonai
Category	Professional Preamp Effects Processor
Microphone Inputs	2 front + 2 rear channels; each with independent volume and sensitivity control
Remote Control	Integrated infrared receiver module, compatible with remote control
Display	LCD high-definition display showing real-time parameters and adjustment status
Mute Function	Front-panel MUTE button for one-touch output channel muting
Level Indication	Main output UV level LEDs for visual monitoring of left/right channel audio levels
Bluetooth Module	Built-in Bluetooth 3.0 decoding module for wireless music streaming from smartphones or computers
Optical Input	Supports TOSLINK optical input; powered by 32-bit high-sampling-rate decoding chip for low-latency, lossless playback
USB Flash Drive Playback	Plays MP3-format audio files directly from USB flash drives
PC Link Debugging	PC-LINK functionality enables connection to PC software for advanced configuration and real-time debugging
Centralized Control	RS-232 serial interface for integration with control systems via command code protocols
Signal-to-Noise Ratio (SNR)	93 dB
Total Harmonic Distortion (THD)	0.01% (20 Hz–20 kHz)
Frequency Response (MIC)	50 Hz–16 kHz ±0.5 dB / 1 kHz @15 mV(rms)
Frequency Response (BGM)	20 Hz–22 kHz ±0.5 dB / 1 kHz @1 V(rms)
Output Level (MLR)	4 V(rms) / 2.2 kΩ
Output Level (CEN)	4 V(rms) / 2.2 kΩ
Output Level (SUB)	4 V(rms) / 2.2 kΩ
Output Level (SLR)	4 V(rms) / 2.2 kΩ
Output Level (REC)	775 mV(rms) / 2.2 kΩ
MIC Input Sensitivity	6 mV / 3.3 kΩ (max 40 mV)
BGM Input Sensitivity	300 mV / 47 kΩ (max 1.4 V)

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-800 Professional Preamp Effects Processor product image

Product Overview

The Harmonai GP-800 is a professional preamp effects processor engineered for professional KTV venues, multi-function halls, and live stage applications. It provides two microphone input channels on the front panel and two on the rear panel—each with independent volume and sensitivity adjustment to accommodate diverse microphone types and usage scenarios. Built-in Bluetooth 3.0 decoding, optical digital input, and USB flash drive MP3 playback enable seamless multi-source switching. Powered by a 32-bit high-resolution decoding chip, it delivers an exceptional signal-to-noise ratio (SNR) of 93 dB and ultra-low total harmonic distortion (THD) of just 0.01%, ensuring pristine, lossless audio reproduction. Additionally, the GP-800 supports PC-LINK computer-based configuration and RS-232 serial control for centralized system integration—greatly enhancing installation efficiency and engineering flexibility.

Model Number

GP-800

Manufacturer

Harmonai

Microphone Inputs

2 front + 2 rear channels; each with independent volume and sensitivity control

Remote Control

Integrated infrared receiver module, compatible with remote control

Display

LCD high-definition display showing real-time parameters and adjustment status

Mute Function

Front-panel MUTE button for one-touch output channel muting

Level Indication

Main output UV level LEDs for visual monitoring of left/right channel audio levels

Bluetooth Module

Built-in Bluetooth 3.0 decoding module for wireless music streaming from smartphones or computers

Optical Input

Supports TOSLINK optical input; powered by 32-bit high-sampling-rate decoding chip for low-latency, lossless playback

USB Flash Drive Playback

Plays MP3-format audio files directly from USB flash drives

PC Link Debugging

PC-LINK functionality enables connection to PC software for advanced configuration and real-time debugging

Centralized Control

RS-232 serial interface for integration with control systems via command code protocols

Signal-to-Noise Ratio (SNR)

93 dB

Total Harmonic Distortion (THD)

0.01% (20 Hz–20 kHz)

Frequency Response (MIC)

50 Hz–16 kHz ±0.5 dB / 1 kHz @15 mV(rms)

Frequency Response (BGM)

20 Hz–22 kHz ±0.5 dB / 1 kHz @1 V(rms)

Output Level (MLR)

4 V(rms) / 2.2 kΩ

Output Level (CEN)

4 V(rms) / 2.2 kΩ

Output Level (SUB)

4 V(rms) / 2.2 kΩ

Output Level (SLR)

4 V(rms) / 2.2 kΩ

Output Level (REC)

775 mV(rms) / 2.2 kΩ

MIC Input Sensitivity

6 mV / 3.3 kΩ (max 40 mV)

BGM Input Sensitivity

300 mV / 47 kΩ (max 1.4 V)

Rated Power

18 W

Power Supply

~220 V AC, 50 Hz

Net Weight

4.5 kg

Dimensions

440(W) × 68(H) × 266(D) mm

Recommended Applications

The GP-800 Professional Preamp Effects Processor is ideal for KTV rooms, multi-function conference halls, small-stage live performances, bar LiveHouse venues, and professional audio system integration. Whether for home entertainment or commercial installations, the GP-800 delivers professional-grade preamplification and effects processing—from basic voice reinforcement to complex audio enhancement tasks.

Contact us today for detailed specifications, bulk pricing, or technical support—and receive a customized professional audio solution.