Legandary DM-4 speakers. They stil can compete with contemporary high-end speakers. Beautiful sound, read all the reviews for your self online. All 6 units works correct. Working perfect and looking also very good. Some light signs of use. In original condition as far as I can see. Hi-Fi equipment Power type and voltage No Power needed Loudspeaker 3 Loudspeakers Material Wooden case Model: Monitor Loudspeaker DM4 - Bowers & Wilkins B&W; Worthing Shape Console with any shape - in general Dimensions (WHD) 255 x 530 x 256 mm / 10 x 20.9 x 10.1 inch 15kg each Teak or walnut veneered wooden cabinets. Also available in satin white, rosewood or black ash to order. First presented at the 1972 Audio Fair in London. Specification Drive Units 1 x 19mm voice coil 1 x 34mm mid/high frequency unit 1 x 164mm bass/ midrange unit Frequency Response 30Hz - 25kHz, Better than ± 2dB Nominal Impedance 8 ohms Power Handling 10W - 30W Sensitivity 4.8W into nominal impedance (i.e 6.2V) for a sound pressure of 95dB pink noise at 1 metre Der Monitor-Lautsprecher "DM 4" wurde erstmals auf der Audio Fair 1972 in London vorgestellt. See pictures. Following serial numbers! Carefully shipped or free pick up. Very heavy, so a bit moren expensive to ship