WHARFEDALE PRO SI-X Series 400 Watts RMS 15" 2-Way Passive Installation Loudspeaker

SI-15X

Wharfedale Pro

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SI-15X

400 watts
AES (RMS)
  • 15″ 2-way passive 
  • 1.75″ HF compression driver 
  • M8 x 20
  • 400 watts AES (RMS)
  • 800 watts Programme
  • 1600 watts Peak
  • 129 dB Max SPL @ 1 meter
  • Bracket included

The SI-X™ Series –– Foreground/Background Music And Sound Reinforcement Speakers

The SI-X Series is a versatile fixed installation loudspeaker system designed for surface mount or flown applications. The angled low profile enclosures are designed to provide high SPL in an unobtrusive package.

Consistent voicing across the range ensures seamless coverage when using a variety of different models in distributed sound applications. All SI-X Series models feature a 1” exit compression driver on a 70°x 70° conical waveguide providing open and detailed high frequency extension with even and predictable dispersion.

Because of their multi-faceted design the SI-X speakers can be positioned next to a stage, wall or ceiling. This versatility suits the SI-X Series to a diverse range of applications such as live performance halls, houses of worship, schools, shops, restaurants, bars and public houses.

The SI-X Series includes full range enclosures with woofer sizes ranging from 10” to 15”, a dual 8” woofer model is also available. The full range enclosures are complimented by 3 subwoofers for extended low frequency response and increased SPL. Available in black or white painted finishes all models feature multiple M8 rigging points to suit the widest range of flown applications. Brackets are included as standard.


  • 2-way reflex systems
  • Folded horn and Direct Radiating subwoofers
  • 25.4mm Titanium high frequency compression drivers
  • Low distortion, high power woofers
  • 70° x 70° High Frequency Horn
  • Multifaceted 40° x 50° MDF enclosure
  • 20 x M8 hanging points
  • NL4 & Barrier Strip speaker inputs 
  • U-shaped steel mounting bracket included
  • Install in houses of worship, shops and other public areas
  • Available in Black and White


Model Name SI-15X
System Type Passive
Configuration Two-way
Freq Response (+/-3 dB) 50 Hz – 20 KHz
Freq Range (-10 dB) 45 Hz – 20 KHz
Sensitivity (2.83 v / 1 m) 97 dB
Calculated Max SPL @1 m 129 dB
System Impedance 8 Ω
LF Transducer  
Size 381 mm / 15″
Voice coil Size  77.1 mm / 3.0″
Rated Impedance 8 Ω
LF Power (re:AES2-2012)  
HF Transducer  
HF Driver Type Compression Driver
Voice coil Size 44 mm / 1.75″
Exit Size 25 mm / 1″
Diaphragm Material Titanium
Rated Impedance 8 Ω
HF (re:AES2-2012) 40 W
Nominal Coverage 70˚ x 70˚
Power  
Continuous Power 400 W
Programme Power 800 W
Peak Power 1600 W
Crossover frequency 2.5 KHz
Input Connector 2 x NL4 +
Barrier Strip
Hardware  
Rigging 20 x M8 Points
+ Wall Bracket
Pole Mount No
Enclosure  
Enclosure Material MDF
Finish Black or White
Grille Material & Finish 1.2 mm Steel
Dimensions – Unpacked  
Height 640 mm / 25.2″
Width Front 422 mm / 16.61″
Width Rear 422 mm / 16.61″
Depth 396 mm / 15.6″
Dimensions – Packed  
Height 705 mm / 27.76″
Width Front 482 mm / 18.98″
Width Rear 482 mm / 18.98″
Depth 433 mm / 17.04″
Weight  
Net Weight 22 kg / 48.4 lbs
Gross Weight 25 kg / 55 lbs