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Roland BA-55 Battery Powered Portable PA System

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Product Description

A versatile, portable PA system with a twist! The Roland BA-55 Battery Powered Portable PA System provides self-contained, high-quality sound reinforcement for any venue or setting. Like all Roland products, the BA-55 is solidly built yet lightweight, and comes bundled with a matching wireless microphone for public speaking, singing, and many other events. Use the BA-55 as a small wireless PA system in school classrooms, business meetings, restaurants, weddings, intimate music venues, and many more.

In a cool and convenient twist, the Roland BA-55 portable PA system 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 BA-55 in vertical mono mode. For wide musical spread, turn it horizontal. It’s that easy!

Roland BA-55 Battery Powered Portable PA System 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 inch (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
Easy to Use and Transport
With the Roland BA-55 portable PA system, 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 BA-55’s automatic anti-feedback system blocks acoustic feedback without interrupting your audio. For easy transport, the BA-55 PA system has a convenient built-in storage compartment to house your wireless microphones and accessories.

Multi-Purpose PA
The BA-55 portable PA system 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 Roland 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.

Wireless Microphone Included
The BA-55 portable PA system package includes a high-quality wireless microphone (DR-WM55). Designed specifically for the BA-55, the mic has Power On/Off and Echo On/Off switches. The Echo switch is linked to the 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.

Product Specifications
Roland BA-55 Battery Powered Portable PA System Specifications
  • Rated Power Output: 20 Watts (10 W + 10 W)
  • SPL: 108 dB
  • Speakers: 6.5 inches x 2 (16 cm)
  • Wireless Reception Method: Roland Original (for DR-WM55 only)
  • Controls: POWER Switch, CHIME Button, CHIME VOLUME Knob, ECHO Knob, AUTO POWER OFF Switch
  • Channel Controls: Wireless 1, Wireless 2: VOLUME Knob
  • AUDIO/INST: VOLUME Knob
  • Master Controls:
    • Equalizer: HIGH Knob, LOW Knob
  • Connectors:
    • Mic Input jacks: XLR type, 1/4-inch TRS phone type
    • Audio Input jacks: Stereo miniature phone type, RCA phono type
    • Instrument Input jack: L/MONO 1/4-inch phone type
    • Instrument Input jack: R 1/4-inch phone type
    • Line Out jacks: RCA phono type
    • DC In jack
  • Power Supply
    • DC 12 V:
      • Alkaline battery (AA, LR6) x 8
      • Rechargeable Ni-MH battery (AA, HR6) x 8
      • AC Adaptor
    • Current Draw: 430 mA
    • Expected battery life under continuous use:
      • Alkaline battery (AA, LR6): about 6 hours
      • Rechargeable Ni-MH battery (AA, HR6): about 6 hours
  • Included Accessories:
    • Wireless MIC (DR-WM55) x 1
    • Power Cord
    • AC Adaptor
    • Owner's Manual
  • Dimensions(WxDxH): 14 x 10-7/16 x 18-15/16 inches
  • Weight: 19 lbs 14 oz.


Helpful Info about the Manufacturer
Phone:  (323) 890-3700 Warranty:  M.I. Products: 1 year parts, 90 days labor
Instrument Amps: 3 years (1 year on speakers) parts, 2 years labor
Rackmount Power Amps & EQs: 3 years parts & labor
BOSS Compact Pedals: 5 years parts, 90 days labor
BOSS (other): 1 year parts, 90 days. labor
ep, MT, TL, E-Series: 1 year parts, 90 days labor
CPM-300 Powered Mixer: 3 years parts, 3 years labor
AC Adapters, Mech, Footswitches, Headsets: 90 days parts, 90 days labor
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