The Kenwood KAC-D5101 is a compact Class D mono car amplifier built to deliver clean, efficient subwoofer power in vehicles where space is limited. It is a strong fit for single-subwoofer and compact bass system upgrades where you want real output without giving up much mounting space. With 1000 watts max power, 300W RMS at 4 ohms, and 500W RMS at 2 ohms, the KAC-D5101 is designed for practical daily-use bass setups. Its variable low-pass filter, bass boost, speaker-level input, and signal-sensing turn-on also make it easier to integrate into both aftermarket and compatible factory-audio systems. Key Features 1000 watts max power Class D mono amplifier design 300W RMS x 1 at 4 ohms 500W RMS x 1 at 2 ohms Variable low-pass filter Bass boost control Speaker-level input Signal-sensing turn-on Compact chassis for easier installation Designed for subwoofer applications Connectivity & Integration Inputs: RCA line input and speaker-level input Factory integration: Speaker-level input supports use with compatible factory or aftermarket source units Turn-on method: Signal-sensing turn-on helps simplify installs where a conventional remote lead may not be available Application: Mono subwoofer amplifier for dedicated low-frequency system builds Best use case: Great for powering a single subwoofer or subwoofer load matched to rated impedance and power output Audio & System Control RMS power at 4 ohms: 300W x 1 RMS power at 2 ohms: 500W x 1 Low-pass filter: Variable Bass boost: 0dB to +18dB at 40Hz Amplifier platform: Class D design for efficient output with reduced installation footprint Sound control note: Built for low-frequency subwoofer duty rather than full-range speaker amplification Installation & Fitment Notes Chassis size: Compact amplifier design for tighter install locations Mounting options: Suitable for trunk, hatch, cargo-area, or other limited-space installs where clearance allows Integration note: Proper amplifier wiring kit, fuse protection, signal input wiring, ground connection, and subwoofer wiring are required and sold separately Vehicle-specific note: Final fitment depends on available mounting space, wire routing, and system design System note: Best performance depends on proper gain setting, impedance matching, enclosure choice, and subwoofer selection Technical Specifications Model: KAC-D5101 Amplifier Type: Class D Mono Channels: 1 Max Power: 1000W RMS Power at 4 Ohms: 300W x 1 RMS Power at 2 Ohms: 500W x 1 Low-Pass Filter: Variable Bass Boost: 0dB to +18dB at 40Hz Speaker-Level Input: Yes Signal-Sensing Turn-On: Yes Dimensions: 6-11/16" x 2-3/16" x 7-3/8" Fuse Rating: 30A x 2 Identifiers & Packaging Manufacturer Part Number (MPN): KAC-D5101 UPC: 019048226327 Sold As: Each Included Components: Amplifier and manufacturer documentation Why Buy From MCOR Automotive Kenwood Preferred Retailer (online and in-store) Experienced with subwoofer amplifier matching, wiring selection, and system planning Support for choosing the right subwoofer, enclosure, and install parts for a clean, reliable setup System Matching & Installation Help Use the MCOR Automotive Vehicle Fit Guide to start with your vehicle details, or contact MCOR Automotive through the chat button for help matching amplifier power, speaker load, wiring, and factory audio integration parts. Amplifier wiring kits, line output converters, DSP/interface modules, vehicle-specific integration parts, and installation hardware are sold separately unless specifically listed. Authorized Kenwood Retailer MCOR Automotive is an authorized Kenwood retailer for online and in-store sales. Products sold by MCOR Automotive are genuine and eligible for applicable manufacturer warranty coverage.