Energy C-200-b-1 bookshelf speakers in black ash. 1" tweeter and 6.5" woofer. Rear ports. Bi-wire / bi-amp capable. Recommended for amplifiers up to 125 watts power. 48Hz-20kHz frequency response. 8-ohm nominal impedance. 14-in H x 8-in W x 10-in D. Cabinets have some scrapes, scratches and dings, but they work great. Please respond with a name and phone number. Thanks! Use the link below to see a collection of audio equipment I've owned, enjoyed and passed along to others as part of this hobby.