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Roland BA 55 Battery Powered Amplifier

Euphonycart Presents Roland BA-55 Battery Powered Amplifier. The unique 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 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 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! The BA-55 is available in two color choices, black (BA-55) or white (BA-55-WH). Choose one of these classic colors to blend best with your surroundings.

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Description

  • 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
RATED POWER OUTPUT
20 W (10 W + 10 W)
SPL 108 dB
NOMINAL INPUT LEVEL (1 KHZ)
MIC (XLR type)
-50 dBu
AUDIO/INST (RCA phono type)
-10 dBu
AUDIO/INST (Stereo miniature phone type, 1/4-inch phone type)
-20 dBu
NOMINAL OUTPUT LEVEL (1 KHZ)
LINE OUT
-10 dBu
SPEAKERS
16 cm (6.5 inches) x 2
WIRELESS RECEPTION METHOD
Roland Original (for DR-WM55 only)
CONTROLS
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
INDICATOR
PANEL
WIRELESS 1, WIRELESS 2, ANTI-FEEDBACK, STEREO, POWER
FRONT
WIRELESS 1, WIRELESS 2, POWER
CONNECTORS
MIC
Input jacks (XLR type, 1/4-inch TRS phone type)
LINE
AUDIO Input jacks (Stereo miniature phone type, RCA phono type)
INST Input jack L/MONO (1/4-inch phone type)
INST Input jack R (1/4-inch phone type)
OUTPUT
LINE OUT jacks (RCA phono type)
DC IN
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
* These figures will vary depending on the actual conditions of use.
OTHER
Accessories
Wireless MIC (DR-WM55) x 1
Power Cord
AC Adaptor
Owner’s Manual
Options (sold separately)
Wireless MIC (DR-WM55)
Speaker Stand (ST-A95)
SIZE AND WEIGHT
Width
355 mm
14 inches
Depth
265 mm
10-7/16 inches
Height
481 mm
18-15/16 inches
Weight
10.2 kg
22 lbs. 8 oz.
*0 dBu = 0.775 Vrms
In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.

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