Beta3 ΣB115D 15-Inch Bandpass LF Speaker

ΣB115D 15inch Bandpass LF Speaker

The Beta Three® ΣB Series Sub speakers feature robust enclosures and high-power low-frequency drivers optimized for bandpass configurations. Delivering extended low-frequency response with powerful punch, the ΣB Series is ideal for Performing Arts venues, Auditoriums, Clubs, Houses of Worship, Entertainment Venues, and Indoor Sports Facilities.

Key Features:
1. High sensitivity and SPL for impactful sound reproduction
2. 15” high-power low-frequency transducer for deep bass output
3. Six-order bandpass configuration for optimized performance
4. Speakon input connectors for secure connectivity
5. Computer-aided design ensures precise frequency and phase response
6. Stacking locators for convenient setup and storage
7. Compatible with full-range or mid/high speaker cabinets for comprehensive audio coverage
8. Integral 35mm pole receptacle for mounting additional speakers
9. Durable Polyurethane textured base paint for longevity

Specifications:
• Acoustical Specifications:
o Frequency Response (-3dB): 50Hz-150Hz
o Max SPL @ 1m: 125dB/131dB (PEAK)
• Transducers:
o Woofer: 1 x 15inch LF
• Input/Output Section:
o Input Connectors: 2 x NL4
o Sensitivity (1W @ 1m): 99dB
• Power Section:
o Total Power: 450W (RMS); 900W (MUSIC); 1800W (PEAK)
o Nominal Impedance: 8Ω
• Physical Specifications:
o Color: Black
o Dimensions (W x D x H): 600 x 500 x 460mm / (23.6 x 19.7 x 18.1in)
o Package Dimensions (W x D x H): 720 x 610 x 590mm / (28.3 x 24 x 23.2in)
o Net Weight: 29 kg / 63.9 lb
o Gross Weight: 33.4 kg / 73.6 lb

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