R112 is a compact 2-way active loudspeaker designed for portable PA systems, mobile performers, and small-scale event applications where clarity, coverage, and reliability are essential. Its bass-reflex architecture combines a 12” low-frequency driver with 2” voice coil and a 1.35” high-frequency compression driver, delivering a balanced sound with strong low-end presence, natural midrange, and detailed high frequencies. The system reaches a maximum sound pressure level of 127 dB, ensuring intelligibility for speech and music in intimate to medium-sized venues.
The loudspeaker’s 90° × 70° coverage pattern provides wide, uniform horizontal dispersion with controlled vertical directivity, simplifying placement and reducing unwanted reflections in challenging acoustic spaces. This makes R112 suitable for applications such as mobile DJ setups, solo performance, small bands, rehearsal rooms, classrooms, and café or bar installations.
Powered by an amplifier platform optimized for small PA systems, R112 delivers responsive transient performance with controlled headroom, while onboard DSP processing—including FIR filters, 24-bit / 48 kHz conversion, and 28/56-bit internal processing—ensures smooth frequency response, refined crossover behavior, and consistent tonal balance.
Front-panel controls provide access to channel levels, preset selection, and input sensitivity, while versatile connectivity—including Combo, XLR, and 1/4” inputs with LINK/MIX routing and XLR line output—facilitates easy multi-speaker setups and scalable system expansion for portable applications.
Constructed from multilayer wood with a protective polyurea finish, the enclosure is engineered for durability and portability. Lightweight and compact, R112 combines Montarbo’s professional sound quality with practical transportability, making it a dependable choice for small PA systems and mobile performance environments.
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