Wharfedale Pro Delta-X12M Passive Floor Monitor
Wharfedale Pro Delta-X12M Passive Floor Monitor
Wharfedale Pro Delta-X12M Passive Floor Monitor
Wharfedale Pro Delta-X12M Passive Floor Monitor
Wharfedale Pro Delta-X12M Passive Floor Monitor
Wharfedale Pro

Wharfedale Pro Delta-X12M Passive Floor Monitor

Regular price

DELTA-X12M - 12" passive monitor, 3" LF voice coil, 400 W RMS, 800 W Programme, 8 Ω, Birch plywood construction


  • Birch plywood construction
  • Re-engineered robust crossover design
  • Suitable for touring, rental and installation
  • 1.4″ Exit, 2″ Titanium Diaphragm Compression Drivers
  • Proprietary 90° x 60° Elliptical Wave Guide Horn design
  • Bi-amp and Passive mode switching
  • Extremely durable Rhino Rock finished cabinets
  • Multiple M6, M8 & M10 rigging points and integral tripod stand adapter
  • Trapezoid shape for arrays and stage monitoring
  • Dual spider technology on 18″ woofers
  • Rubberised 4-way handles


  • 12″ floor monitor
  • 2.0″ voice coil HF driver
  • 3.0″ LF voice coil
  • 400 watts AES (RMS)
  • 800 watts Programme
  • 1600 watts Peak
  • 129 dB Max SPL @ 1 meter


All Delta-X models use premium Baltic birch plywood construction.

Not only does this create a solid and durable cabinet, but it also contributes to the overall sound and character.

Delta-X is also covered in our most durable and hard wearing Rhino Rock paint finish. This ensures that a Delta-X will always look as good as the day you unboxed it.


As with all Wharfedale Pro PA systems, years of expertise is behind a loudspeaker built to last, with thanks to our high standards of quality control.

The Delta-X series are coated in the highest quality Rhino Rock paint finish – a chip resistant texture with a professional, discrete aesthetic whilst being prepared for the rigours of life on the road.


Delta-X features a routed Wharfedale Pro logo.

It is a logo to be proud of. A logo that lets your audience know that the sound of your even will be of the highest possible quality.


Internally Delta-X models have a new crossover design and construction.

Using new component positioning and bracing, the sensitive crossover electronics have been re-engineered to improve long term performance and reliability – even at the highest of volumes.


In BI-AMP mode, two power amplifiers can be used. This gives you the advantage of being able to select the best power amplifier specifications for each driver inside the loudspeaker. In a BI-AMP configuration, an external crossover is used to separate the frequencies and this splits the signal to the dedicated LF amplifier and the HF amplifier. This way, each amplifier is only working on the given frequency range and, in turn, is powering the corresponding driver inside the loudspeaker.

In PASSIVE mode, a single amplifier can be used to power all drivers inside the loudspeaker. The full frequency range is put into the loudspeaker and the loudspeakers’ internal crossover separates the frequencies, delivering the right frequencies to the right driver. In the example of a 2-way passive loudspeaker, this means that the single amplifier is powering both the HF compression driver and the LF transducer. The internal crossover takes care of both the frequency and power separation.

Model Name Delta X12M
System Type Passive
Configuration Two-way
Frequency Response (+/-3 dB) 60 Hz-20 KHz
Frequency Range (-10 dB) 55 Hz-20 KHz
Sensitivity (2.83 v / 1 m) 97 dB
Calculated Maximum SPL @1 m 129 dB
System Rated Impedance 8 Ω
Low Frequency Transducer
Size 332 mm / 12″
Voice Coil Size 77.1 mm / 3″
Rated Impedance 8 Ω
LF Power (re:AES2-2012) 400 w
High Frequency Transducer
HF Driver Type Compression Driver
Voice Coil Size 50.8 mm / 2″ Titanium
Exit Size 35.6 mm / 1.4″
Diaphragm Material Titanium
Rated Impedance 8 Ω
HF Power (re:AES2-2012)
Nominal Coverage (H x V)
System Continuous Power 400 w
System Programme Power 800 w
System Peak Power 1600 w
Crossover frequency 1.8 KHz
Input Connector 2 x NL4 (speakON Compatible)
Pole Mount
Handles 2 on Sides
Enclosure Material 15 mm Plywood
Finish Rhino Rock
Grille Material & Finish 1.5 mm Steel Black
Dimensions – Unpacked
Height 449 (SITU)mm / 17.7”
Width Front 390 mm / 15.4”
Width Rear 390 mm / 15.4”
Depth 618 mm / 24.3”
Dimensions – Packed
Height 462 mm / 18.2″
Width Front 690 mm / 27.2″
Width Rear 690 mm / 27.2″
Depth 522 mm / 20.6″
Net Weight (kg / lbs) 23.18 kg / 50.9 lbs
Gross Weight (kg / lbs) 28.5 kg / 62.7 lbs


Download user manual

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