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Roland BA-55 Battery Powered Portable Amplifier

This lightweight amplifier from Roland is ideal for a crowd of up to 80 people. Operates on 8 AA batteries or AC power. Rate and review this product
Ships to: Can ship to United States
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Roland BA-55 Portable Amp Black

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Product Description

The unique Roland BA-55 provides self-contained, high-quality, and battery-powered sound reinforcement for any environment. It's solidly built yet lightweight, and comes bundled with a matching wireless microphone for public speaking, singing, and many other events. Use the Roland BA-55 as a small wireless PA system in school classrooms, business meetings, restaurants, weddings, intimate music venues, and more. In a cool and convenient twist, the Roland BA-55 contains an internal accelerometer sensor that automatically switches operation between stereo output (when positioned horizontally) and mono output (when positioned vertically). If you're speaking and need maximum power and projection, use the vertical mono mode. For wide musical spread, turn horizontal. It's that easy!

Roland BA-55 Features

- Portable design with high-quality sound for audiences up to 80 people
- SPL (sound pressure level) rated at a powerful 108 dB
- One 2.4 GHz wireless microphone included (DR-WM55); a second DR-WM55 can be purchased separately for simultaneous use
- Operates on 8 AA batteries or AC power (AC adaptor included)
- Onboard accelerometer sensor switches operation to stereo mode when positioned horizontally
- Two 6.5" (16 cm) high-performance speakers
- Three-channel built-in mixer with two-band EQ
- Echo/Reverb effect
- Built-in Anti-Feedback function
- Line Output for recording or expanding the system
- Integrated storage compartment for storing wireless microphones and accessories
- Auto Power Off function
- Compatible with Roland ST-A95 speaker stand

Easy to Use and Transport

With the Roland BA-55, ease of use is the name of the game. There's nothing complicated about it: just turn on the wireless microphone and/or plug in your instruments, set the volume to the desired level, and go. That's it! The Roland BA-55's automatic anti-feedback system blocks acoustic feedback without interrupting your audio. For easy transport, the Roland BA-55 has a convenient built-in storage compartment to house your wireless microphones and accessories.

Multi-Purpose PA

The Roland BA-55 lets you enjoy great sound anywhere, indoors or outdoors. Use batteries or the included AC adapter for the ultimate in convenience and flexibility-- For speech, position the BA-55 vertically and the internal accelerometer will automatically switch operation to mono mode for maximum sound projection. For music, place the BA-55 horizontally and it will automatically switch to stereo mode; this is perfect when using MP3/CD players at dance parties, etc., or any application where wide sound projection is desired.

Built-In Echo/Reverb

Onboard the BA-55 is an Echo/Reverb that sounds great and is easy to use, with a single knob that adjusts both the effect type and amount. When you turn the knob from the Off position to 12 o'clock, you activate a natural plate-reverb-type effect that adds a natural ambience to your voice and/or instruments. When you turn from the 12 o'clock position to maximum, you switch to a repetitive echo-type effect. The echo/ reverb can also be turned on and off from the included DR-WM55 wireless microphone for convenient remote control (see below).

Wireless Microphone Included

The Roland BA-55 package includes a high-quality wireless microphone (DR-WM55). Designed specifically for this system, the mic has Power On/Off and Echo On/Off switches. The Echo switch is linked to the Roland BA-55's Echo/Reverb effect, which lets you enable and disable it directly from the mic. This is a very handy feature, allowing the effect to be quickly turned off when speaking or making announcements, then easily switched back on for singing.

zZounds is an authorized dealer of Roland products.
- Number of Speakers: 2
- Speaker Drivers: 6.5"
- Number of Mixer Channels: 3
- Number of Mic Preamps: 2
- EQ: 2-band
- Inputs: 1 x wireless (Mic), 1 x XLR (Mic), 2 x TS,2 x RCA
- Outputs: TBD
- Headphones: TBD
- Power Amp: 2 x 10W
- Max SPL: TBD
- Frequency Response: TBD
- Playback: TBD
- Microphone: 1 x Handheld Wireless
- Enclosure Material: TBD
- Height: 18.9"
- Width: 14"
- Depth: 10.4"
- Weight: 19.9 lbs
If you have additional warranty questions, please contact the manufacturer at 323-890-3700
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Available on
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Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

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We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

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on most orders $29+

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Really heavy stuff might cost you a
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Why fight traffic and pushy salesmen when we'll bring your gear straight to your home, free of charge?

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We have warehouses on both coasts, so most shipments arrive in 3 days or less.
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