Black (Black) Accessories [body Power connector Various power supply extension lines gain adjustment connector RCA connector RCA extension line Color [black Illumination green Product status energized playback confirmed OK There is chatter when the volume is increased. The illumination will disappear after a while after being turned on. Product information MAX: 3000W Rated: 1000W Playback frequency band: 20Hz-2.9KHz Output sound pressure level: 118dB 1 month warranty for peace of mind