Born with the development of the P860 Tower of Power, the P28 is capable of massive output despite its size. An 8 meter THX reference level speaker with an 80Hz crossover, it has the same dynamic capability as the P815. They have taken the acclaimed P8 speaker design and increased its maximum output level 6dB with a second custom 8" mid-woofer, delivering the same impeccable audio quality with incredible headroom. Its D'Appolito design mimimizes floor and ceiling reflections for improved audio quality. When you need maximum dynamic range, especially in very large rooms, but cannot accommodate the size of a full-range Procella speaker, the P28 is the powerful choice! Technical Specifications:- Extremely high output main and surround speaker for mid to large-size rooms • 8 meter THX Cinema reference level (105dB continuous) speaker • Main speaker for rooms 15 to 50 feet deep • Single-enclosure design with internal crossover does not require biamplification or DSP • 1.5” compression driver on elliptical constant directivity waveguide: 35°H x 50°V from 1.5kHz • Dual custom high-output 8” woofers with 1.6” / 40mm voice coils • Identical Voice™ timbre-matched to Procella P860, P815, P610, P8 and P6 • 80Hz subwoofer crossover point • Sealed-box design • Shallow depth (7.1” / 180mm deep) Impedance: 4 Ohms nominal. Above 6 Ohms in working range, phase angles less than 30 degrees POWER HANDLING Continuous: 500 Watt Peak: more than 1,000 Watt SENSITIVITY 1m/1W 95 dB MAXIMUM SPL free-standing 122 dB continuous, 128 dB peak in baffle wall 128 dB continuous, 132 dB peak FREQUENCY RESWPONSE -3dB points 75 Hz and 20 kHz DISPERSION PATTERN -6dB Constant directivity; 80°H x 35°V from 1.5kHz CROSSOVER 4th Order Linkwitz-Reill 1.6 KHz, BSC COMPONENTS Midrange 8” Neodymium magnet driver with 40mm voice coil in 35 litre sealed box High Frequency 1.5” driver with a Polyester diaphragm on elliptical constant directivity wave guide CONNECTIVITY Gold plated binding posts CONSTRUCTION Void free MDF internally cross braced Studio vinyl finish as standard DIMENSIONS HxWxD 25.8” x 17.7” x 7.1 655 x 450 x 180 mm SHIPPING CARTON HxWxD 31.5” x 23.6"x 11.8" 800 x 600 x 300 mm NET WEIGHT 46.3 Lbs / 21.0 Kg SHIPPING WEIGHT 49.6 Lbs / 22.5 Kg