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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.

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
Advanced Intelligent Anti-Feedback function
Built-in tilt-back stand enables optimal monitoring angle
Speaker-stand adaptor for mounting on a standard speaker stand

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.

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.

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).

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.

Rated Power Output
Rated Power Output: 15 W + 15 W
Speakers
Speakers: 16 cm (6.5 inches) x 4, Tweeter x 2
Input/Output Level
Nominal Input Level (1 kHz): CH 1, CH 2 MIC: -50 dBu, CH 1,CH 2 INST: -20 dBu, CH 3/CH 4, CH 5/CH 6: -20 dBu, AUX IN: -10 dBu, STEREO LINK IN: -10 dBu
Nominal Output Level (1 kHz): LINE OUT: -10 dBu, STEREO LINK OUT: -10 dBu
Controls
POWER Switch: Yes
Channel Controls: CH1,CH2: MIC/INSTRUMENT Switch, EFFECT Switch, TONE Knob, VOLUME Knob, CH3/CH4, CH5/CH6: EFFECT Switch, TONE Knob, VOLUME Knob
Master Controls: Equalizer (LOW Knob, HIGH Knob), VOLUME Knob, ANTI FEEDBACK Switch, EFFECT Knob, BATTERY CHECK/MUTE Switch, OUTPUT POWER Switch
AUX IN Control: LEVEL Knob
Indicators: BATTERY, BATTERY CHECK/MUTE, POWER
Connectors
Connectors: CH 1, CH 2: Input Jacks (XLR type, 1/4” TRS phone type) CH 3/CH 4, CH 5/CH 6: Input Jack L/MONO (1/4” phone type), Input Jack R (1/4” phone type) AUX IN: Input Jacks (Stereo miniature phone type, RCA phono type) Output: LINE OUT Jack L/MONO (1/4” phone type), LINE OUT Jack R (1/4” phone type) STEREO LINK: STEREO LINK OUT Jacks L/MONO, R (1/4” phone type), STEREO LINK IN Jack (1/4” phone type) FOOT SWITCH: FOOT SWITCH Jack (1/4” phone type) DC IN: DC IN Jack
Power Supply
Power Supply: DC 12 V
Dry battery LR6 (AA) type (alkaline) x 8,
Rechargeable battery HR6 (AA) type (nickel metal hydride) x 8(commercially available),
Rechargeable Amp Power Pack BTY-NIMH/A(Options (sold separately)),
or AC Adaptor
Current Draw: 410 mA
Expected battery life under continuous use: Alkaline: approx. 8 hours (MAX), approx. 12 hours (ECO)
Nickel-metal hydride: approx. 10 hours (MAX), approx. 15 hours (ECO)
Rechargeable Amp Power Pack BTY-NIMH/A: approx. 13 hours (MAX), approx. 20 hours (ECO)
* These figures will vary depending on the actual conditions of use
Others
Accessories: AC Cord, AC Adaptor, Owner’s Manual
Options: Carrying Bag (CB-BA330), Speaker Stand (ST-A95), Foot Switch: BOSS FS-5L (MUTE), BOSS FS-5U (EFFECT), BOSS FS-6, Connection Cable: PCS-31, PCS-33, Rechargeable Amp Power Pack BTY-NIMH/A:Use the AC adaptor(PSB-12U,PSB-12U2) (sold separately).
Size and Weight
Width: 415 mm
16-3/8 inches
Depth: 357 mm
14-1/16 inches
Height: 509 mm
20-1/16 inches
Weight: 13.8 kg
30 lbs. 7 oz.
* 0 dBu= 0.775 Vrms

Manufacturer Website: https://www.roland.com/au/products/ba-330

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Roland BA-330 Stereo Portable Amplifier