Planet Audio Big Bang BBD2500 2,500 Watt Monoblock Amplifier 3001-5000 DS18 8OCT400-8 PRO is a

DS18 8OCT400-8 PRO is a purpose-built 8-inch octagonal mid-range loudspeaker designed for serious car-audio installs

Cut-out dimension: 205x125mm (6x9") — recommended hole size for mounting in compatible openings

MECH-LESS (no CD/DVD): No disc drive

all in a weather‑resistant package ideal for boats

Planet Audio Big Bang BBD2500 2,500 Watt Monoblock Amplifier 3001-5000 DS18 8OCT400-8 PRO is aPlanet Audio Big Bang BBD2500 is a 2,500 watt high output monoblock Class D amplifier built for serious subwoofer systems, offering substantial power with a relatively small footprint and 1 ohm stability. Power output at 1 ohm: Up to 1875 W RMS @ 1 ohm. In real world terms, this peak capability means the amp can push significant bass authority into compatible subwoofers when driven from a low impedance load. 1 Ohm Stable: The lowest impedance accepted