MTX TL-4.5L ThunderLink 4 Channel Line Level Converter

MTX TL-4.5L ThunderLink 4 Channel Line Level Converter The MTX ThunderLink TL-4.5L is a 4-Channel In / 5-Channel Out Line Output Converter designed to bridge modern factory audio systems with aftermarket amplifiers. With high-voltage speaker-level input handling, intelligent load options, and multiple turn-on modes, it delivers a strong, clean preamp signal while keeping factory systems happy and fully functional. Features High Level Input Up To 40V Multiple Turn-on Options (DC / Rem / Audio) Selectable Load Resistance Selectable Ground Isolation Remote Level Control COMPACT, INSTALL-FRIENDLY DESIGN Designed to fit where space is limited, the TL-4.5L features a compact chassis that makes mounting easy under seats, behind panels, or near factory amplifiers. Its small footprint gives installers more flexibility without sacrificing performance or control. HIGH-VOLTAGE FACTORY SIGNAL HANDLING Designed to accept various OEM speaker level outputs, The TL-4.5L can handle input signal up to 40V. Whether you have a base model or premium audio system, it will accept most signals to deliver a strong, distortion-free Preamp output to your aftermarket amplifiers. SELECTABLE LOAD RESISTANCE Selectable input impedance settings allow the TL-4.5L to properly interface with a wide range of factory radios and amplifiers. This helps ensure factory systems continue to operate normally when speakers are removed, preventing muting or shutdown issues. FLEXIBLE TURN-ON AND OUTPUT CONTROL Multiple remote output and turn-on modes, including DC offset sensing, audio signal detection, and +12V remote turn-on, ensure reliable operation across different factory system designs. Individual gain controls, clip indicators, a dedicated bass channel output, and a remote level control provide precise system tuning. Specifications Type 4-CH In/5-CH Out Line Output Converter Maximum Input Level 40Vrms/400W (20kΩ) Input impedance Selectable (20Ω, 60Ω 20kΩ) Preamp Outputs 6 (4 Main Channels and 2 Sub Channels) Maximum Output Level 8.5Vrms Output impedance 60Ω THD < 0.2% Signal to Noise Ratio > 100dB Frequency Response 20Hz - 20kHz Recommended Fuse Rating 2A Product Dimensions (HxWxD) 1-1/8" x 5-3/8" x 3-7/8" (28.00mm x 136.00mm x 97.20mm) For more information, please visit the manufacturer's website.