Check the listing for details. Timpano Audio TPT-DH175 1" Exit Plastic Horn with Dome Compression Driver. Condition: New. Listed at 26.90 USD. The TPT-DH175 horn loaded tweeter from Timpano Audio uses a naturally damped 1" phenolic diaphragm for natural response and detailed high frequencies. At only 4.5" x 4.5" this tweeter can easily be installed in tight space like car doors and trunk lids. The 45° x 45° dispersion patter gives the TPT-DH175 the ability to evenly fill open spaces. At 108 dB efficiency and with 75 watt RMS power handling this tweeter hat the output capability to keep up with high SPL systems. _x000D_ _x000D_ Specifications: • Power handling: 75 watts RMS (crossover frequency 2,500 kHz, 12 dB/octave), 150 watts max • Impedance: 8 ohms • Useable range: 1,300-19,000 Hz • Dispersion: 45° H x 45° V • Recommended crossover: 2,500 Hz • SPL: 108 dB 2.83V/1m • Mfg. #: TPT-DH175 • Dimensions: 4.5" H x 4.5" W x 4.6" D • Cutout dimensions: 3.5" x 3.5".