Check the listing for details. Titanium Compression Driver UPGRADE REPLACEMENT for Peavey DX14, 1-3/8” Screw-on. Condition: New. Listed at 54.50 USD. MB ACOUSTICS model MB-44 550W 1.75" Titanium Voice Coil Car & Pro Audio High Frequency Compression Driver for Screw-On Horns UPGRADE replacement for the Peavey DX14 at a much lower price point. The MB ACOUSTICS MB-44 will reproduce High Frequencies. This driver contains a 1.75” Titanium diaphragm matched to a 30 oz. magnet to deliver high decibels with even low power amplifiers. YOU ARE BUYING 1 COMPRESSION DRIVER Specifications:H.F. Compression Driver for Screw-On Horn (Horn sold separately)Pro Titanium Compression Drivers for Car & Pro AudioRMS Power: 275 WattsMAX Power: 550 WattsVoice Coil size: 1.75" inch (44mm)Diaphragm Material: TitaniumVoice Coil Former: Heat Resistant KaptonImpedance: 8 ohm Gold Spring TerminalsFrequency Response: 1kHz - 20kHzRecommended Crossover High-pass: 2kHz, 12dB/octave Sensitivity: 103dB 1W/1mMagnet Structure Weight: 30 oz.Magnet Diameter: 4.5" / 115mmOverall Height: 2.5" / 64mmThread Diameter: 1 3/8" (35mm) - 18 TPIDriver Weight: 3.2 lbs.