Energy ESM-4 passive bookshelf speakers

The listing

IF IT IS UP, STILL ON SALE !!! The Energy ESM-4 is a vintage 2-way passive bookshelf loudspeaker manufactured in Canada during the 1980s. Technical Specification Type: 2-way, passive bookshelf / standmount loudspeaker Enclosure: Bass reflex (front-ported) Frequency Response: 50 Hz – 22,000 Hz Nominal Impedance: 8 Ohms Sensitivity / Efficiency: 86.5 dB Recommended Amplifier Power: 15 – 60 Watts Crossover Frequency: 2.5 kHz Woofer: 6.5-inch polypropylene cone with a rubber or foam surround. MINE HAVE RUBBER SURROUNDS Tweeter: 3/4-inch Vifa soft-dome tweeter with ferrofluid cooling Dimensions: Approx. 8.9 in x 16.5 in x 8.7 in (22.5 x 41.9 x 22.2 cm) Recently sold my receiver, simple testing for spekers drivers by alkaline battery, or bring yours receiver. Sorry for inconvenience. No trades Cash ONLY.