The Kenwood KAC-D3104 is a compact 4-channel Class D amplifier built for clean full-range speaker power in vehicles where space matters. It fits well in OEM-plus upgrades, small system builds, and installs where you want more output and control than a head unit can provide without giving up valuable mounting space. Its compact chassis, variable crossovers, and bridged capability make it a practical choice for powering front and rear speakers, running a stronger front stage, or bridging channels for higher-output applications where appropriate. Key Features 600 watts max power 4-channel Class D amplifier design 50W x 4 RMS at 4 ohms 75W x 4 RMS at 2 ohms 150W x 2 RMS bridged at 4 ohms Variable high-pass and low-pass filters Bass boost control Speaker-level input with signal-sensing turn-on Compact chassis for tighter installation spaces Hi-Res Audio support with frequency response up to 50kHz Connectivity & Integration Inputs: RCA line inputs and speaker-level inputs Signal sensing: Signal-sensing turn-on for easier integration with compatible factory or aftermarket source units Channel configuration: 4-channel operation with 4/3/2-channel application flexibility Bridging: Supports bridged 2-channel operation at 4 ohms Best use cases: Front and rear speaker amplification, active-style upgrades requiring crossover control, or bridged speaker applications within rated impedance limits Audio & System Control Variable high-pass filter: 50Hz-200Hz, 12dB/oct. Variable low-pass filter: 50Hz-200Hz, 12dB/oct. Bass boost: 40Hz, 0dB to +18dB Input sensitivity: 0.2V-5.0V RCA / 4.0V-12.0V speaker level CTA-2006 compliant power rating Signal-to-noise ratio: 100dB (rated power reference) Frequency response: 20Hz-50kHz Dual Sigma Drive circuitry for improved damping and output control Installation & Fitment Notes Amplifier type: Compact 4-channel chassis Mounting flexibility: Good fit for under-seat, trunk, or other limited-space installations Power/ground terminals: M6 screw-type terminal block Speaker terminals: M4 screw-type terminal block Fuse rating: 20A x 2 Proper amplifier wiring kit, fuse protection, speaker wiring, and installation hardware are required and sold separately Vehicle-specific integration needs vary by source unit, speaker configuration, and mounting location Technical Specifications Amplifier model: KAC-D3104 Amplifier class: Class D Channels: 4 Max power: 600W RMS power at 4 ohms: 50W x 4 RMS power at 2 ohms: 75W x 4 RMS power bridged at 4 ohms: 150W x 2 Speaker impedance: 2 to 8 ohms allowable Bridged impedance: 4 to 8 ohms allowable Frequency response: 20Hz-50kHz (+0dB, -3dB) Low-pass filter: 50Hz-200Hz High-pass filter: 50Hz-200Hz Input impedance: 10k ohms Operating voltage: 14.4V (11V-16V allowable) Current consumption: 25A Dimensions: 6-11/16" x 2-3/16" x 7-3/8" Weight: 2.9 lbs. Identifiers & Packaging Manufacturer Part Number (MPN): KAC-D3104 UPC: 019048226310 Sold As: Each Included Components: KAC-D3104 amplifier, documentation Why Buy From MCOR Automotive Kenwood Preferred Retailer (online and in-store) Experienced with amplifier matching, system planning, and vehicle-specific integration Support for selecting the right wiring, speakers, 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.
