Roland BA-330 - Manual (Page 3)

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Owner’s Manual
Easy transportation
High quality portable stereo-output amp
The BA-330 is a portable amp that provides stereo playback from a single unit.
It’s designed for high-quality sound, featuring up to 30W (15W + 15W) of output, four 6.5 inch (16 cm) speakers and two tweeters.
Take it anywhere
Dual power supply (batteries or AC adaptor) for any location ➝ p. 
You can run the BA-330 on batteries in an outdoor situation where there’s no AC outlet,
or use the included AC adaptor indoors when AC power is available.
An indicator tells you the remaining amount of battery power (p. 10).
Power-saving mode (Eco-mode) ➝ p. 10
You can switch to a power-saving mode that reduces the maximum 30W output to 15W.
This is convenient for extended use outdoors.
A variety of uses
The wide range of inputs also allows stereo input.
Mini-concert with two guitarists ➝ p. 1
You can connect two microphones and two electric acoustic guitars for a
mini-concert with two guitarists.
Keyboardist-singer ➝ p. 13
You can connect a keyboard in stereo, along with a microphone for vocals.
Lectures or presentations ➝ p. 1
The BA-330 is a good amplifi cation choice for a lecture or presentation.
Karaoke or background music for an event or dance
➝ p. 13
You can connect your portable audio player or CD player for
stereo playback, and independently adjust the volume of the
background music.
Convenient functions
Feedback prevention ➝ p. 1
The microphone inputs provide an anti-feedback function, which suppresses acoustic feedback.
Built-in eff ects ➝ p. 9
Eff ects such as reverb and delay can be switched on/off independently for each input.
Adjustable monitoring angle (Arm Stand) ➝ p. 15
When the BA-330 is placed in a low position, such as on the fl oor, you can use the arm stand to
change its angle for greater clarity from the speaker.
It can also be mounted on a separately available speaker stand.
Connect a second unit for more output (Stereo Link) ➝ p. 1
You can increase the output by connecting two BA-330 units.
This type of setup also allows you to use up to four mic inputs and eight stereo inputs
(including AUX).
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