ZK3002 Pure Rear Level Digital Amplifier Board — TPA3255 Class D power module offering flexible power output in a compact board format. Why customers choose the ZK3002 Deliver output power with efficient Class D amplification using the proven TPA3255 topology. Ideal when you need a compact, power amplifier module for DIY, repairs, or system upgrades. Provides stereo operation (300W x 2) for left/right channels or bridgedmono operation (600W) to drive a single power load such as a subwoofer. 'Rear level' input design simplifies integration with preamps, car head units or DSP outputs, letting you control sourcelevel input from the rear panel for tidy installs. Key benefits and problem solving power density: Gives significantly more drive than typical small amplifier boards while keeping heat and size manageable thanks to Class D efficiency. Flexible configuration: Use it as a twochannel stereo amp for speakers or bridge it to mono when a single power channel is required. Practical for upgrades and builds: Integrates with preamps, head units or processors to turn passive speakers into power systems without replacing enclosures. Primary attributes Model: ZK3002 Amplifier IC: TPA3255 (digital Class D amplifier) Output power: Stereo mode 300W x 2; Bridged mono mode 600W Inputs: Rearlevel input configuration for straightforward system integration Board design: Compact PCB format for easy mounting and wiring Performance characteristics: efficiency and low thermal load typical of TPA3255based designs; suitable for output audio applications Compatibility and installation notes Compatible with preamplevel outputs, aftermarket head units and DSP processors using rearlevel inputs. Intended for use with passive loudspeakers whose impedance and powerhandling match the amplifier's output in the chosen mode (stereo or bridged mono). Proper power supply, cooling and secure speaker connections are required for reliable operation; apply appropriate fusing and heatsinking during installation. Typical use cases DIY active speaker builds: Use the stereo channels to power left and right drivers in compact powered speakers. power subwoofer channel: Bridge the output to mono for a single 600W channel to drive a subwoofer in a home or car audio system. External power amp upgrade: Add clean, power amplification to an existing preamp, AV processor or car head unit without replacing the entire system. Technical highlights (concise) ZK3002 model with TPA3255 Class D amplifier Stereo: 300W x 2; Bridged mono: 600W Rearlevel input layout for neat, professional installations Check compatibility with your speakers and power supply before installation. Use proper cooling and secure wiring for safe, longterm performance.