Roland BA-330

Essential Information About the Roland BA-330 Portable Sound System

• All-in-one stereo sound system: wide and precise sound projection thanks to a stereo amplifier and multi-speaker configuration, ideal for both indoor and outdoor use.


• Battery or mains operation: operates via a DC 12V power adapter or with 8 AA batteries to provide sound anywhere, without constraints.


• Simple and comprehensive mixing: 4 channels (2 mic/instrument + 2 stereo) + dedicated AUX input, for quick connection of your sources and immediate start.


• Stage comfort: intelligent anti-feedback, built-in effects (reverb, delay, "Wide") and the ability to link two speakers via Stereo Link to expand coverage.

A compact format designed for mobile stereo sound projection

Designed to deliver a true stereo image in a compact size, the Roland BA-330 stands out with an optimized sound projection architecture: four 16cm (6.5") speakers and two tweeters arranged to project an impressively wide stereo field. This approach makes it a particularly relevant solution when you want clean sound reinforcement without multiplying components (external mixer, separate speakers, complex cabling), while maintaining clear and intelligible sound reproduction.

Who is the Roland BA-330 for and what are its uses?

The BA-330 is aimed at acoustic musicians, singers, presenters, hosts, trainers, and event organizers looking for a portable sound system capable of covering an audience of up to 100 people. It is perfectly suited for small venues, churches, conferences, seminars, corporate events, rehearsals, or background music with speech. Thanks to its battery operation, it is also an ideal companion for mobile performances where no mains power is available.

Technical specifications

Type	portable digital PA system.	STEREO LINK IN input	-10 dBu.
Power supply	batteries or mains power.	LINE OUT outputs	-10 dBu.
Amplification and sound dispersion	stereo with a wide sound image.	STEREO LINK OUT outputs	-10 dBu.
Mixing	two mic/instrument channels and two stereo channels, plus dedicated AUX input.	Power switch	POWER.
Built-in stand	tilted position.	CH1 and CH2	MIC/INSTRUMENT switch, EFFECT switch, TONE control and VOLUME control.
Speaker stand mounting	standard.	CH3/CH4 and CH5/CH6	EFFECT switch, TONE control and VOLUME control.
Stereo Link connection	connection of two BA-330 units.	Two-band master equalizer	LOW and HIGH.
Speakers	4 x 16 cm (6.5 inches).	Master volume control	VOLUME.
Tweeters	2.	Feedback suppression	automatic attenuation, ANTI FEEDBACK button.
CH1 and CH2 inputs, MIC mode	-50 dBu.	Built-in effects	reverb, delay and “Wide”.
CH1 and CH2 inputs, INST mode	-20 dBu.	Effect control	EFFECT.
CH3/CH4 and CH5/CH6 inputs	-20 dBu.	Battery check and mute button	BATTERY CHECK/MUTE.
AUX IN input	-10 dBu.	Output power button	OUTPUT POWER.