Audio Mixer Sound Board for PC/Phone Live Streaming - Portable Mixer

In this review the G9 Audio Mixer sound board is evaluated as a compact, creator-focused mixer that brings multi-channel mixing and effects to streamers, podcasters, and mobile musicians. The single biggest reason to buy is its combination of plug-and-play convenience and on-board audio shaping: users get XLR and 3.5mm microphone support, instrument inputs, noise reduction, reverb and a voice changer all in a portable unit with battery power for on-the-go sessions. For anyone needing clear, flexible live sound without a complex setup, this unit delivers.

Key Features

• Multi-Channel Mixing: Supports 3.5mm and XLR dynamic microphones plus instrument inputs so you can connect mics, guitars, or phones for flexible signal routing during streams or recordings.
• Plug-and-Play Setup: Quick connection to PC, Mac, or mobile devices removes the need for complicated drivers and gets you live on platforms like Twitch or YouTube fast.
• Noise Reduction: Built-in denoise helps keep vocals clear by reducing background hiss and room noise, improving spoken-word streams and podcasts.
• Customizable Sound: Adjustable bass, midrange, treble and reverb let you shape tone and ambience for different content types from singing to commentary.
• Effects and Voice Changer: Six reverb modes, 12 sound effects and voice changer presets add interactivity and fun to live shows without external software.
• Portable Battery Operation: A built-in battery enables outdoor or mobile streaming where mains power is not available, useful for content creators on the move.

Who It's For

The G9 is aimed at beginner to intermediate content creators who want more control than a simple USB mic but without the learning curve of a full studio mixer; podcasters, live streamers, and hobby musicians will appreciate the straightforward connectivity and built-in effects. Its portability and battery power also suit creators who record or stream from events, outdoor locations, or multiple rooms.

Those who should look elsewhere include professionals needing advanced routing, high-channel counts or studio-grade preamps; similarly, users requiring specific digital audio workstation integration or precise hardware metering may prefer larger dedicated mixers or audio interfaces designed for studio environments.

Pros & Cons

Pros

• Compact multi-channel capability with XLR and 3.5mm support makes it versatile for mics and instruments.
• Easy plug-and-play operation simplifies setup on PC, Mac, and mobile devices.
• Built-in noise reduction, reverb modes, effects and voice changer provide creative options without extra software.
• Portable design and battery power make it convenient for creators on location.

Cons

• Not a replacement for larger studio mixers if you need many inputs or advanced routing features.
• Preset effects and voice changer may be basic for users seeking highly detailed sound design.

Specifications

Product Type	Portable live sound card / audio mixer
Microphone Inputs	3.5mm and XLR dynamic microphone support
Instrument Input	Dedicated instrument input supported
Effects	6 reverb modes, 12 built-in sound effects, voice changer
Sound Controls	Bass, midrange, treble, reverb, pitch and harmony adjustments
Noise Handling	Built-in noise reduction / denoise
Power	Built-in battery for portable use

Our Verdict

The G9 Audio Mixer sound board is a practical, value-oriented option for streamers and podcasters who want on-board effects, simple multi-channel mixing and clean vocal delivery without a steep learning curve. It is especially good for creators who switch between PC and mobile setups or need occasional outdoor operation; professionals needing high channel counts or advanced studio features should consider larger dedicated mixers instead.

Frequently Asked Questions

Can I use this with a phone?
Yes, the unit is plug-and-play with mobile devices and supports 3.5mm connections so you can stream or record from a phone with minimal setup.

Does it reduce background noise?
Yes, the built-in noise reduction helps keep vocals clearer by minimizing ambient hiss and background sounds during live streams and recordings.

Are the effects customizable?
Yes, it includes six reverb presets, 12 sound effects and a voice changer, plus controls for bass, treble, pitch and harmony to tailor the sound.