Check the listing for details. Timpano Audio TPT-DH175 SLIM 1" Exit Plastic Horn with Phenolic Compression Driv. Condition: New. Listed at 26.90 USD.  The TPT-DH175 SLIM 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" and 3.6" deep, this tweeter can easily be installed in tight spaces like car doors and trunk lids. The 45° x 45° dispersion patter gives the TPT-DH175 SLIM 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 SLIM • Dimensions: 4.5" H x 4.5" W x 4.2" D • Cutout dimensions: 3.38" diameter (with notch for terminals).