WHARFEDALE PRO SIGMA-X15
WHARFEDALE PRO SIGMA-X15
WHARFEDALE PRO SIGMA-X15
WHARFEDALE PRO SIGMA-X15

WHARFEDALE PRO SIGMA-X15

SIGMA-X15 is a 15″ full-range loudspeaker from SIGMA-X Series, built for installations requiring greater low-end authority, high SPL capability, and wide-area coverage with precision and control.

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Designed for larger performance spaces, live venues, houses of worship, and club environments, SIGMA-X15 features a rotatable 90° x 60° waveguide, allowing flexible horizontal or vertical deployment depending on system design requirements. Its upgraded voicing delivers improved vocal projection, extended LF response, and enhanced definition across the frequency spectrum.

With both 4 pole speaker connectors and barrier strip inputs, SIGMA-X15 supports straightforward installation, while additional reinforced mounting points provide compatibility with Powerdrive Type 90 plates and optional WPB-1 or WPB-2 wall brackets for secure and professional deployment. Durable black or white Tough-Tone paint finishes ensure easy architectural integration.

Delivering 350 W continuous (1400 W peak) power handling and reaching up to 129 dB max SPL @ 1 m, SIGMA-X15 delivers impactful, full-bodied sound backed by FIR preset tuning, EASE .gll files, and system diagram support.

Technical Specifications
  • Active or Passive: Passive
  • System Type: Full-Range
  • Configuration: 2-way
  • System Continuous Power: 350 W
  • System Programme Power: 700 W
  • System Peak Power: 1400 W
  • Max SPL @ 1m: 129 dB
  • Freq Response (+/-3 dB): 50 Hz - 18 kHz
  • Freq Range (-10 dB): 45 Hz - 20 kHz
  • Bi-amp Mode Switch: No
  • Bluetooth: No
  • IP Certification: None
  • Driver Brand: Wharfedale Pro
  • LF Driver Size: 15"
  • LF Voice Coil Size: 2.5"
  • LF Rated Impedance: 8 Ω
  • LF Power (RE:AES2-2012): 350 W
  • HF Driver Type: Compression Driver
  • HF Voice Coil Size: 1.75"
  • HF Diaphragm Material: Titanium
    HF Exit Size: 1"
  • HF Power (RE:AES2-2012): 40 W
  • HF Rated Impedance: 8 Ω
  • Preset Library: Yes
  • Input Connector: 2 x 4 Pole Speaker Connector, 1 x Barrier Strip
  • Waveguide Type: Constant Directivity / Rotatable
  • Enclosure Material: MDF
  • Grille Material and Finish: Steel Black or White
  • Finish: Black or White Tough-Tone Paint
  • Handles: 2
  • Deployment: Flying, Pole, Wall Mount
  • Pole Mount: Dual Angle (0° / 10°) 35 mm
  • Brackets Included: No
  • Rigging: Yes
  • M8: 17
  • Nominal Coverage (H x V): 90° x 60°
  • Sensitivity 2.83 V / 1 M: 98 dB
  • System Rated Impedance: 8 Ω
  • Crossover Frequency: 2.2 kHz
  • Recommended HPF — BW 18 dB/OCT.: 45 Hz
  • Transformer (T): No