Jensen Amp Series The new Jensen JA series amplifiers leverage 90+ years of audio excellence combined with modern smartphone technology to deliver the high-quality sound you require with the convenience and usability you seek. More than audio In addition to customizing the audio options, the app also lets you choose RGB illumination options. Match the amp colors to your car interior or change colors on the fly to match your mood. The easy-to-see color wheel makes it simple to choose the prefect shade. Built Without Compromise Small Size, Big Sound. The Class-D amplifier design provides nearly double the efficiency of analog class AB amplifiers in a much smaller footprint. This lets you install them in very small spaces and to leaves trunk space for that road trip cooler or suitcase. Specifications: Jensen DSP Amp app (Apple/Android) to control illumination and system set-up via Bluetooth (Free App required for system set-up) RGB Custom color illumination via Bluetooth app control Class D design Amplifier dimensions: 2.16″ x 9.56″ x 5.59″ (HxWxD) Inputs / Outputs: High level (speaker wire) Low level (RCA) RCA Pass-thru outputs Continuous Power Output: 290W RMS x 1 Channel at 4 ohm 470W RMS x 2 Channel at 2 ohm 595W RMS x 1 Channel a 1 ohm (50Hz and 1% THD+N) Dynamic Power: 300W x 1 Channel at 50Hz at 4 ohm 545W x 1 Channel at 50Hz at 2 ohm 640W x 1 Channel at 50Hz at 1 ohm (1% THD+N) Maximum Dynamic Power: 325W x 1 Channel at 50Hz at 4 ohm 565W x 1 Channel at 50Hz at 2 ohm 690W x 1 Channel at 50Hz at 1 ohm (10% THD+N) Features: Frequency response: 20 Hz ~ 300 Hz Signal to noise ratio 68 dBA Adjustable bass boost at 45 Hz Gain adjustment: 200 mV ~ 6 V Adjustable low-pass x-over: 32 Hz – 320 Hz Power/Ground terminals connector: 4 – 8 AWG Speaker terminal connector: 12 – 16 AWG Fuse size: 25 A x 2