ΣB118a
18” Bandpass LF Active Speaker

?B Series Sub speakers utilise high power low frequency drivers with structurally solid enclosures in classic horn-loaded and bandpass configurations. The ?B Series Sub speakers deliver extended low frequency bandwidth with excellent punch. Suitable for Performing Arts, Auditoriums, Clubs, Houses of Worship, Entertainment Venues and Indoor Sports Facilities.

High sensitivity and SPL


1 x 18” high power low frequency transducer


Six order bandpass configuration


Built-in power amplifier module


Master volume control


XLR input and output connectors


Computer aided design to optimise frequency and phase response


Stacking locators


Suitable for use with any full range or mid/high speaker cabinets for extended low frequency, high quality music reproduction


Integral 35mm pole receptacle for mounting full range or mid/high speaker cabinets


Durable Polyurethane textured base paint


Construction 15mm Birch Plywood
Transducers 1X18”LF
Frequency Response (-3dB) 35Hz-250H
Rated Power 500W (RMS)
Amplifier Type Class H
Sensitivity (1W @ 1m) 100dB
Maximum SPL (1W @ 1m) 133dB
Input Impedance Balanced 20kΩ,Unbalanced 10kΩ
Rated Impedance
Dispersion(H×V) N/A
Connector XLR J3P/XLR K3P
Power Supply AC 220V-240V~, 50/60Hz (or AC 110V-120V~, 50/60Hz)
Dimensions (WxDxH) 693×580×530mm
Packaging Dimensions (WxHxD) 803×690×650mm
Net Weight 45kg (99.2lb)
Gross Weight 50kg (110lb)

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