RELIABLE, HIGH-EFFICIENCY POWER SUPPLYThe Alpine KTP-445A is a compact, high-quality 12 V power converter designed to provide stable electrical output for car audio components when a direct battery connection isn’t available. It delivers dependable power for testing, tuning, or powering head units and other 12 V devices in workshop or mobile environments. STABLE, CLEAN OUTPUTFeaturing regulated voltage and robust internal circuitry, the KTP-445A supplies a consistent 12 V output that helps ensure accurate performance and reliable operation of audio gear. Its clean power delivery minimizes fluctuations that could affect sound quality or system behavior. COMPACT, PORTABLE DESIGNWith a space-efficient and lightweight build, the KTP-445A is ideal for bench testing or field work. Its rugged construction stands up to everyday use while remaining easy to transport and store. EASY-TO-ACCESS INTERFACEEquipped with clearly labeled terminals and simple connections, this power supply makes hooking up equipment fast and straightforward. The intuitive layout helps streamline setup and enhances workflow efficiency for installers and technicians. SAFE, DURABLE BUILDBuilt with quality components and protective features, the KTP-445A supports reliable performance over extended use. Its design helps safeguard both the unit and connected devices during typical operation. VERSATILE POWER SOLUTIONWhether powering head units, testing amplifiers, or running audio components on the bench, the KTP-445A delivers dependable and portable 12 V power for a wide range of applications. | Number of Channels 4 Class D Peak Power Rating (Watts) 90x4 RMS Power Rating (Watts x Channels) - 4 Ohms 45 x 4 RMS Power Rating (Watts x Channels) - 2 Ohms 45 x 4 RMS Power Rating - Bridged N/A Minimum Impedance Unbridged (Ohms) 2 Minimum Impedance Bridged (Ohms) N/A THD at Rated RMS Power 1% Bulit-in Crossover - Low Pass Yes Built-in Crossover - High Pass N/A High Pass Crossover Frequency (Hz) N/A Low Pass Crossover Frequency (Hz) N/A Signal-to-Noise Ratio 80dB Bass Boost No Bass Remote Included No Fuse Rating 15A CEA-2006 Compliant Yes Maximum Power Wire Gauge Size N/A Warranty 1 Year
