
Delta X 15 – Wharfedale passive speakers
15-Inch Passive Two-Way Full-Range PA Speaker with Bi-Amp and Passive Operation
The Wharfedale Pro Delta X15 is a professional 15-inch passive two-way full-range loudspeaker designed for touring, rental and fixed installation applications. It combines a low-distortion cast-frame woofer with a titanium-diaphragm compression driver to deliver powerful output and detailed sound reproduction. Its 90° × 45° nominal coverage, durable 15mm plywood enclosure, Rhino Rock textured black finish and steel grille make it suitable for demanding sound reinforcement environments. The speaker supports both passive and bi-amplified operation.
Description
The Wharfedale Pro Delta X15 is a professional 15-inch passive two-way full-range loudspeaker designed for touring, rental and fixed installation applications. It combines a low-distortion cast-frame woofer with a titanium-diaphragm compression driver to deliver powerful output and detailed sound reproduction. Its 90° × 45° nominal coverage, durable 15mm plywood enclosure, Rhino Rock textured black finish and steel grille make it suitable for demanding sound reinforcement environments. The speaker supports both passive and bi-amplified operation.
Key features
15-Inch Cast-Frame Woofer
Features a 404mm (15-inch) paper-cone low-frequency driver with a 77.1mm (3-inch) voice coil for powerful bass reproduction.
Titanium Compression Driver
The high-frequency section uses a compression driver with a 50.8mm (2-inch) voice coil, 35.6mm (1.4-inch) exit and titanium diaphragm.
Two-Way Full-Range Design
Combines dedicated low- and high-frequency drivers to reproduce a broad range of audio frequencies.
Bi-Amp and Passive Operation
Supports conventional passive operation or bi-amplified operation with separate LF and HF amplification and suitable external crossover processing.
High Power Handling
Provides 500W continuous, 1000W programme and 2000W peak system power ratings.
High Maximum SPL
Calculated maximum sound pressure level of 131dB at 1 metre.
90° × 45° Coverage
The nominal horizontal and vertical dispersion provides controlled sound distribution for PA applications.
Dual-Angle Pole Mount
A 35mm pole socket supports 0° and 10° positioning angles for flexible speaker placement.
Professional Cabinet Construction
Built with 15mm plywood, a black Rhino Rock-style textured paint finish and a 1.5mm black steel grille.
Touring-Friendly Hardware
Includes two side carry handles and two NL4 speakON-compatible input connectors.
Why choose the WHARFEDALE-PRO-DELTA-X15?
- Live Sound and TouringIts high power handling, 131dB calculated maximum SPL and durable enclosure make it suitable for professional live sound reinforcement.
- Rental CompaniesThe robust cabinet, steel grille and touring-friendly handles support regular transportation and event use.
- Fixed InstallationsThe full-range two-way design and flexible pole-mount positioning make it suitable for permanent PA installations.
- Live BandsThe 15-inch woofer and titanium compression driver provide broad frequency reproduction for live music.
- Bi-Amp Sound SystemsIts bi-amp capability allows separate amplification and processing of the low- and high-frequency sections.
Technical specifications
- Brand
- Wharfedale Pro
- Model
- Delta X15
- Speaker Type
- Passive PA loudspeaker
- Configuration
- Two-way full-range
- Operating Modes
- Passive and bi-amp
- Frequency Response
- 50Hz–20kHz ±3dB
- Frequency Range
- 45Hz–20kHz (-10dB)
- Sensitivity
- 98dB (2.83V/1m)
- Calculated Maximum SPL
- 131dB at 1m
- System Impedance
- 8Ω
- Nominal Coverage
- 90° × 45°
- Crossover Frequency
- 1.8kHz
- Continuous Power
- 500W
- Programme Power
- 1000W
- Peak Power
- 2000W
- LF Driver
- 404mm / 15-inch paper cone, cast-frame
- LF Voice Coil
- 77.1mm / 3 inches
- LF Impedance
- 8Ω
- LF Power Rating
- 500W AES2-2012
- HF Driver
- Compression driver
- HF Voice Coil
- 50.8mm / 2 inches
- HF Exit Size
- 35.6mm / 1.4 inches
- HF Diaphragm
- Titanium
- HF Impedance
- 8Ω
- HF Power Rating
- 50W AES2-2012
- Input Connectors
- 2 × NL4 speakON-compatible
- Pole Mount
- 35mm dual-angle socket (0° / 10°)
- Handles
- 2 side handles
- Enclosure Material
- 15mm plywood
- Enclosure Finish
- Black textured paint
- Grille
- 1.5mm black steel
- Unpacked Dimensions (H × Front W × Rear W × D)
- 700 × 446 × 281.4 × 406mm
- Packed Dimensions (H × Front W × Rear W × D)
- 803 × 622 × 622 × 498mm
- Net Weight
- 29.9kg / 65.9lbs
- Gross Weight
- 35.5kg / 78.1lbs
