From the manufacturer

Roland BA-330 Battery Powered Portable AUX Stereo PA System, Black 2

BA-330 Stereo Portable Amplifier

PORTABLE STEREO DIGITAL PA SYSTEM

Whether battery powered or plugged in, the BA-330 delivers high-performance sound that defies its size. Its digital stereo amplifier drives four 6.5″ stereo speakers and two tweeters, positioned for wide stereo projection. It’s the ideal, all-in-one portable PA solution for small music venues, worship events, conferences, seminars, business meetings and much more.

Stereo Link

The BA-330’s Stereo Link jack lets you cascade two units, giving you twice as many channels and the ability to position the two units on opposing sides of the stage.

All-in-one portable digital PA system suitable for use anywhere
Powerful high-quality stereo sound for audiences of up to 80 people
No setup required, just plug in and go!
Powered by AC power or eight AA batteries
Four custom-designed 6.5″ speakers and two tweeters for wide stereo projection
Built-in effects: EQ, reverb, delay, and wide (on/off per channel)
Four-channel configuration: two channels for mic/instruments plus two channels for stereo inputs
Stereo Aux input with dedicated volume-control knob

BA-330

All-in-one portable digital PA system suitable for use anywhere with powerful high-quality stereo sound for audiences of up to 80 people

No setup required, just plug in and go! Powered by AC power or eight AA batteries.Four custom-designed 6.5″ speakers and two tweeters for wide stereo projection with built-in effects: EQ, reverb, delay, and wide (on/off per channel)Four-channel configuration: two channels for mic/instruments plus two channels for stereo inputs, Stereo Aux input with dedicated volume-control knob

Advanced Intelligent Anti-Feedback function

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Advanced Anti-Feedback

If you’ve ever encountered embarrassing feedback onstage, and most of us have, you’ll be pleased to know that the BA-330 is equipped with Roland’s advanced Anti-Feedback technology. With a simple switch, the BA-330 automatically detects the howling point and eliminates feedback.

Ba-330

Onboard FX

Three high-quality effects are built-into the BA-330: Reverb, Delay, and Wide. The effects can be turned on/off independently for each channel. In addition, a master 2-band EQ is provided as well as EQ control for each channel.

BA-330

Versatile Input

A wide range of instruments, microphones, and devices can be plugged into the BA-330 simultaneously. Two mono channels are provided for microphones or line-level instruments (XLR and 1/4″ jacks), two stereo channels are provided for stereo instruments (1/4″ L/R jacks), and a stereo Aux input channel is provided for CD players and other devices (RCA and TRS jacks).

Weight	13.8 kg
Dimensions	66.04 × 45.72 × 45.72 cm
Power Source	‎Battery Powered
Connector Type	Aux
Material	‎Ac
Number of Channels	2
Audio Input	‎Microphone, Instrument, Auxiliary
UPC	‎761294410233 761294410202
Global Trade Identification Number	‎00761294410202, 04957054410209
Product Dimensions	‎66.04 x 45.72 x 45.72 cm; 13.8 kg
Batteries	‎8 AA batteries required.
Item model number	‎BA-330
Item Weight	‎13 kg 800 g, ‎13800 Grams
Country of Origin	‎China
ASIN	B002UXFV40
Date First Available	7 August 2012
Packer	Roland Corporation
Importer	Roland Corporation
Item Dimensions LxWxH	66 x 45.7 x 45.7 Centimeters
Net Quantity	1 Count
Generic Name	PA Systems
Manufacturer	‎Roland, Roland, roland corporation