2-way monitor speaker, Audiophile 2-way monitor speaker using bass reflex system, tight and clear bass, reflex port on back side, outstanding value for money, ideal for use with other Box Design components, high-gloss piano lacquer. ? Bass-reflex principle ? 25mm silk-dome tweeter ? 130mm bass-mid driver ? 55Hz-20kHz frequency response ? 8 ohm impedance ? 86dB efficiency (1W/1m) ? 10W-150W suggested amplifier power ? Magnetic screening of chassis ? Wall-mount included ? High-gloss piano lacquer finish in 3 colours: black, white, red ? Black cloth speaker grill with magnetic fittings ? Dimensions: 228 x 228x 200mm (WxHxD) (8.9 x 8.9 x 7.8 ) ? Weight: 4.2kg (9.25 lb)