Check the listing for details. (2) TIMPANO TPT-DH2000 PRO 450W 8 OHM 2" EXIT ALUMINUM HORN + TITANIUM DRIVER. Condition: New. Listed at 139.90 USD. INCLUDES: 2x TPT-DH2000 PRO 2″ Exit Aluminum Horn + Ferrite Driver Car Audio | Pro Audio Description TPT-DH2000 PRO 2″ Exit Aluminum Horn + Ferrite Driver Car Audio Pro Audio Compression Driver for mid-high vocal reproduction that offers high sensitivity and a pleasant sound from the titanium diaphragm. The small diameter of the driver allows front mounting, making it easy to install, without detaching the driver from the horn. 2″ titanium diaphragm with a 2″ voice coil Impressive 110 dB sensitivity with PRO Audio long Horn Designed for maximum sound reproduction Specs:450 Watts Max Power150 Watts RMS PowerImpedance: 8 OhmSensitivity: 110 dBFrequency Response: 1,000 – 20,000HzTitanium Diaphragm with a 2″ voice coilRecommended High Pass Filter:1600 Hz under 225 Watts of Amplifier RMS Power with 18dB Slope1500 Hz under 150 Watts of Amplifier RMS Power with 12dB SlopeSizing:Mounting Depth: 7.28″Mounting Cutout Diameter: 5.40″Overall Size: 6.25″ x 6.25″ x 7.68″Weight: 7.20 LbsOriginal Manufacturer Replacement Diaphragms that Maintain Peak Performance are available: TPT-RPDH2000