Lightning Audio LA-4100 Amplifier. GENERAL INFO Car Amplifier usage: Integrated amplifier Type: Solid State (Transistor / Integrated Circuit) Construction type: PREAMPLIFIER Variable from 60Hz to 1200Hz measured at 12 dB / Octave High pass filter: Variable from 50Hz to 1200Hz measured at 12 dB / Octave Low pass filter: Tone and balance control Features: POWER AMPLIFIER 4 Amplified channels: 100W per channel into 4 ohms Power output: 200W per channel into 2 ohms Yes Bridge mode: 400W into 4 ohms Power : Class AB Amplifier class: 20 - 20kHz Frequency response: CONNECTIVITY Unbalanced (RCA): 2 Inputs: Analog: Unbalanced (RCA) Outputs: Binding post terminals Speaker connector type: No Remote control: BODY 9.4 in x 2.3 in x 11.8 in Dimensions (WxHxD): 9 lb Weight: Grey