Bose Panaray MB4 – Modular Bass Loudspeaker
The Bose® Panaray® MB4 is a compact low-frequency loudspeaker designed primarily to provide bass augmentation for Bose Panaray and DS systems in small to medium-size indoor permanent installations. It can also be used as portable sound reinforcement.
Key Features
• Unique 4 x 5.25″ (133 mm) high-excursion woofer configuration provides deep bass to 35 Hz with fast transient response
• Modular design allows stacking of multiple enclosures for increased maximum sound levels
• Integrated suspension inserts allow easy permanent installations with optional rigging accessories
System Performance
Frequency Response (+/-3 dB) : 45 Hz – 310 Hz
Frequency Range (-10 dB) : 35 Hz – 350 Hz
Nominal Dispersion : Omni-directional below 200 Hz
Recommended High-Pass Filter : 30 Hz high-pass filter
Overload Protection : PTC/Lamps (2)
Long-Term Power Handling : 200 W (800 W peak)
Sensitivity (SPL / 1 W @ 1 m) : 87 dB SPL
Maximum SPL @ 1m4 : 110 dB SPL (116 dB SPL peak)
Nominal Impedance : 8 Ω
Transducers
Driver Compliment : Four (4) 5.25″ (133 mm) low-frequency drivers
Physical
Enclosure : High-density wood composite with solid color PVC laminate, high-impact polypropylene end caps
Grille : Powder-coated steel grille
Environmental : Indoor use only
Connectors : Two (2) parallel-wired NL4 Neutrik® Speakon® connectors
Suspension / Mounting : Four (4) M8 threaded inserts (2 top, 2 bottom)