Pro X4 MultiChannel Ground Loop Noise Isolator and Hum/Buzz Eliminator The Pro X4 is designed to deliver clear, quality audio by removing unwanted noise caused by ground loop issues in car and home audio systems. Built for both performance and durability, it ensures you get the sound experience without interference. Key Benefits Eliminates ground loop hum and buzz in car and home audio setups Supports multiple connector types for maximum compatibility Provides HiFiquality sound output with minimal signal loss Durable, grade aluminum housing for longlasting use Plugandplay design for quick and easy setup Function and Performance Multichannel noise filter designed for professional and consumer audio systems Input connections: 3.5 mm AUX x 1 XLR x 2 1/4inch TRS x 2 RCA x 2 Output connections: XLR x 2 1/4inch TRS x 2 RCA x 2 Input/Output Impedance: 600 ohms / 10K ohms Frequency Response: 20 Hz to 50 kHz (± less than 0.2 dB at 1 kHz) Level Loss: less than 0.7 dB (reference 1 kHz, 1 V RMS) Insulation Impedance: DC 1000 V, 100 ohms Isolation Voltage: AC 5060 Hz / 0 V1500 V Build and Design quality aluminum shell for strength and resistance to wear Compact dimensions: 4.6 x 4.15 x 1.9 inches, ideal for portable or permanent installations Use Scenarios 1. Car audio systems: Eliminate engine noise and electrical interference for clean music playback during commutes and road trips. 2. Home stereo setups: Remove hum caused by electrical wiring or connected devices for uninterrupted listening sessions. 3. Professional audio events: Ensure clear sound when connecting multiple audio devices in live performance or recording environments. The Pro X4 delivers reliable noise isolation, broad compatibility, and simple installation, making it the ideal choice for achieving clean, distortion audio in a variety of applications.