Karaoke Preamp Effects Processor image 1

Harmonai TM303 Karaoke Preamp Effects Processor — ADI Chip DSP Processor, Dual-Channel 16-Band Parametric EQ

The Harmonai TM303 is a professional karaoke preamp effects processor featuring an ADI high-performance DSP processor, dual independent 16-band parametric EQ for mic inputs, 9-band...

$153.90

Model: TM303
Category: Stage Accessories
Images: 4 images
Status: ready

Product Brief

Harmonai TM303 Karaoke Preamp Effects Processor — ADI Chip DSP Processor, Dual-Channel 16-Band Parametric EQ

Overview

The Harmonai TM303 is a professional karaoke preamp effects processor featuring an ADI high-performance DSP processor, dual independent 16-band parametric EQ for mic inputs, 9-band...

Price: $153.90
Model: TM303
Category: Stage Accessories

Specifications

Parameter	Value
DSP Processor	ADI chip high-performance, high-speed DSP processor
Microphone Inputs	Two independent A/B microphone inputs, each with dedicated 16-band parametric EQ
Music Input EQ	9-band parametric EQ
Output Channel EQ	5-band parametric EQ per output channel
Effect Mixing	Adjustable mixing of music, direct sound, echo, and reverb per output channel
Noise Gate	Adjustable, with independent limiter design
Feedback Suppression	Built-in 3-stage feedback suppression, optimized for aggressive howling suppression
Vocal Enhancer	Supported
Volume Lock	Configurable initial and maximum volume lock settings
Mode Storage	Stores up to 15 modes
Operation Modes	Dedicated engineering mode and user mode
Password Lock	Engineering password lock function
Configuration Method	Full-function on-device menu or PC-based interface configuration
USB Connection	Driver-free USB connection for PC configuration
Bluetooth	Built-in Bluetooth 5.0 lossless audio player
MP3 Playback	Supports MP3 playback interface
Optical Input	Supports optical digital audio input
Analog Music Inputs	Two stereo analog music inputs
Power Design	Switching power supply design, wide-voltage operation, energy-efficient and low-power

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

Karaoke preamp effects processor product image

Product Overview

The Harmonai TM303 is a feature-rich, professional-grade karaoke preamp effects processor powered by an ADI high-performance, high-speed DSP processor and a fully digital audio processing system. Microphone inputs include two independent channels (A/B), each with its own 16-band parametric EQ, paired with stereo DSP multi-stage digital reverb for professional vocal enhancement. Music input features a 9-band parametric EQ; each output channel includes a 5-band parametric EQ. Music, direct sound, echo, and reverb effects are independently adjustable per output channel. An integrated 3-stage feedback suppression system delivers exceptional howling suppression. A vocal enhancer function adds brightness and clarity to vocals. Up to 15 operating modes can be saved, with full PC-based interface debugging support via plug-and-play USB connection. Built-in Bluetooth 5.0 lossless playback and optical digital audio input make the TM303 ideal for professional KTV rooms, entertainment venues, and conference audio systems.

DSP Processor

ADI chip high-performance, high-speed DSP processor

Microphone Inputs

Two independent A/B microphone inputs, each with dedicated 16-band parametric EQ

Music Input EQ

9-band parametric EQ

Output Channel EQ

5-band parametric EQ per output channel

Effect Mixing

Adjustable mixing of music, direct sound, echo, and reverb per output channel

Noise Gate

Adjustable, with independent limiter design

Feedback Suppression

Built-in 3-stage feedback suppression, optimized for aggressive howling suppression

Vocal Enhancer

Supported

Volume Lock

Configurable initial and maximum volume lock settings

Mode Storage

Stores up to 15 modes, automatically updating names and content

Operation Modes

Dedicated engineering mode and user mode; adjustments in user mode cannot be saved

Password Lock

Engineering password lock function — custom device locking (only volume controls remain active after lock)

Configuration Method

Full-function on-device menu or PC-based interface configuration

USB Connection

Driver-free USB connection for PC configuration

Bluetooth

Built-in Bluetooth 5.0 lossless audio player

MP3 Playback

Supports MP3 playback interface

Optical Input

Supports optical digital audio input

Analog Music Inputs

Two stereo analog music inputs

Power Design

Switching power supply design, wide-voltage operation, energy-efficient and low-power

Recommended Applications

The TM303 is suitable for professional KTV rooms, entertainment venues, and conference audio installations — anywhere high-fidelity audio processing is required. The ADI DSP processor combined with dual 16-band parametric EQ enables precise vocal and music tuning. Its 3-stage feedback suppression effectively prevents howling, while the noise gate and independent limiter ensure clean, unclipped signal integrity. With 15 stored modes, users can quickly switch between configurations for different environments. Separation of engineering and user modes protects critical settings. The engineering password lock prevents accidental changes. Integrated Bluetooth 5.0, optical digital input, and MP3 playback provide versatile source connectivity. The wide-voltage switching power supply ensures stable operation even in regions with unstable mains voltage.

For detailed technical specifications and application recommendations for the Harmonai TM303 Karaoke Preamp Effects Processor, contact us for professional audio system customization support.