Check the listing for details. Adastra, Heavy Duty Rectangular Horn Speaker 15 W, 8 Ohm. Condition: New. Listed at 45.00 USD. Adastra Rectangular Horn Speaker 15W 8 Ohm A proven and long established range of heavy duty, high quality rectangular PA horn speakers. Made from robust, virtually indestructible ABS material offering maximum protection against shock and weather, making them ideal for mounting in extreme conditions, whether on vehicles, boats or in exposed outdoor installations; IP66 rated. All have a sturdy, 270° adjustable mounting bracket and a 60cm length of double insulated connecting cable. All models are fitted with high quality aluminium voice coils offering good acoustic properties and reliability. 100V line models have high quality line matching transformers fitted into a sealed rear housing with wattage tappings selectable by an integral rotary switch. Technical Specification Version: 8 ohms, 15Wrms Power max.: 23W Power rms: 15W Frequency response: 275Hz - 7kHz (±3dB) Impedance: 8 ohms SPL @ 1W/1m: 106dB SPL @ rated power: 118dB Tappings: - Dimensions: 250 x 145 x 270mm Weight: 1.52kg