TD-WL4 – Constant Directivity Horn
The Beyma TD-WL4 is a precision-engineered constant directivity horn designed for use with two WL-4 waveguides, delivering exceptionally uniform on- and off-axis response with natural, neutral sound reproduction. Offering 90° horizontal and 20° vertical coverage, it provides accurate directivity control throughout its operating range, ensuring consistent performance across the listening area. Constructed from durable cast aluminium with a flat-front design for easy flush mounting, the TD-WL4 combines robust build quality with outstanding acoustic performance for professional audio applications.
Technical Specifications
Throat dimensions (WxH): 12 x 208 mm
Horizontal beamwidth: 90º (+22º, -46º) (-6 dB, 1.2 – 16 kHz)
Vertical beamwidth: 20º (+27º , -15º) (-6 dB, 2 – 16 kHz)
Directivity factor (Q): 60 (average 1.2 – 16 kHz)
Directivity index (DI): 15.5 dB (+7 dB, -8.1 dB)
Cutoff frequency: 800 Hz
Dimensions (W x H x D): 210 x 260 x 147 mm
Cutout dimensions (W x H): 174 x 247 mm
Net weight: 1.5 kg
Shipping weight: 1.8 kg
Construction: Cast Aluminum









