Description Bose Line ArrayRoomMatch Utility RMU108 Loudspeaker The RoomMatch Utility RMU108 small-format sound reinforcement loudspeaker is intended for use under-balcony vocal-range floor and zone fill monitor applications, in high-quality foreground music and under-balcony. To provide mid/high frequency voicing the design features a single Bose® EMB2 compression driver, similar to that of all RoomMatch Utility models and RoomMatch full-range array modules. A single 8-inch woofer provides a multi-angle enclosure with rotatable high-frequency waveguide increases mounting flexibility and full-range output. Features Award-winning RoomMatch sound – now in smaller, 2-way, point-source designs for high-level foreground music, under-balcony, zone-fill and vocal-range floor monitor applications Bose EMB2 compression driver – for lower distortion and improved vocal clarity compared to conventional foreground/fill models; also provides consistent mid/high sonic character compared to that of RoomMatch full-range and other RoomMatch Utility models 90° x 60° constant-directivity high-frequency horn – gives wide, even coverage and may be rotated in enclosure 1 x Bose LF8 8-inch woofers – with 2.0-inch long-excursion voice coil extends response to 80 Hz for lowest vocal rang 80 Hz – 16 kHz frequency response and 121 dB maximum peak SPL – deliver the performance required for most demanding applications Flexible mounting with included U-bracket – rear enclosure panel also includes 4 x M8 threaded inserts in 5.0” x 2.75” (127mm x 70mm) pattern to accept third-party accessory mounting brackets Mechanical Diagrams Specification Technical Summary Frequency Response (+/-3 dB) 90 Hz - 16 kHz Frequency Range (-10 dB) 80 Hz - 16 kHz Nominal Coverage Pattern (H x V) 90° x 60° (rotatable high-frequency horn) Power Handling, long-term continuous Bose extended-lifecycle test⁴: 200 W AES transducer test⁵: 250 W Power Handling, Peak Bose extended-lifecycle test⁴: 800 W AES transducer test⁵: 1000 W Sensitivity (SPL / 1 W @ 1 m) Bose extended-lifecycle test⁴: 91 dB AES transducer test⁵: 91 dB Calculated Maximum SPL @ 1 m Bose extended-lifecycle test⁴: 114 dB AES transducer test⁵: 115 dB Calculated Maximum SPL @ 1 m, peak Bose extended-lifecycle test⁴: 120 dB AES transducer test⁵: 121 dB Nominal Impedance 8 Ω