18inch active speaker box,
HD18BP is enclosure constructed of 25mm high-density piywood
covered with coated in high-strong/wearable black pocked lacquer.
Single 18" subwoofer:aluminum basket,
4"high-temp black oxidizing aluminum foil voice coil,cloth edge and non-pressed paper+glass fiber cone
18" symmetrical motor woofer for extended low-frequency outputLarge port area for reduced distortion35mm pole socket for solid,secure satellite speaker mounting,
Voitage:110-230V,AC:60-50Hz,
Rmspower:2000watts,
Impedance:8ohms,
Sensitivity:102dB/m/w,
Speaial function:USB/SD/fm audio and LCD screen