Move freely and sing or speak through your BA-55 without a cable. The Roland DR-WM55 is a handheld wireless microphone designed only for Roland’s BA-55 portable amplifier system. It has a dynamic, unidirectional capsule, runs on two AA batteries for about a day of use, and lets you switch the echo effect on or off from the mic itself.
Why customers choose it
- Made for the BA-55: pairs with the BA-55 portable PA system it was designed for.
- Clear voice pickup: dynamic element with a unidirectional pattern that focuses on the person speaking or singing.
- Cable-free: 2.4 GHz wireless, built-in antenna, about 20 m line-of-sight range.
- Echo control in your hand: separate Echo On and Echo Off switches.
- Long battery life: about 24 hours with alkaline or Ni-MH AA cells.
Who it is for
BA-55 owners who use it for presentations, teaching, small events, outdoor talks, karaoke, street performance or religious gatherings and want a second or wireless mic.
What’s in the box
- DR-WM55 wireless microphone
- Microphone holder
- 2 x AA alkaline batteries
- Owner’s manual
Specifications
| Element | Dynamic |
|---|---|
| Polar pattern | Unidirectional |
| Max input SPL | 124 dB SPL (3% THD at 1 kHz) |
| RF carrier frequency | 2.4 GHz (ISM band) |
| Transmission | Roland original method, 10 mW |
| Antenna | Built-in |
| Range | About 20 m line-of-sight |
| Controls | Power, Echo On, Echo Off |
| Power | 2 x AA (alkaline or Ni-MH), DC 3 V |
| Battery life | About 24 hours |
| Size (W x H) | 59 x 214 mm |
| Weight | 164 g |
Good to know
- It is designed specifically for the Roland BA-55; it is not a general-purpose wireless mic system with its own receiver.
- Range varies with the environment and obstacles.
FAQ
Will it work with other speakers?
Roland designed it specifically for the BA-55 portable amplifier.
What batteries does it use?
Two AA batteries – alkaline or rechargeable Ni-MH. Alkaline batteries are included.
















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