Description Release date: 1994. A power amplifier developed to maximize the performance of JBLs SR speaker system. Rated output: 600W+600W (4?) 400W+400W (8?). Playback frequency: 20Hz to 20kHz. Input impedance: Unbalanced: 10k? Balanced: 20k?. Weight: 21.5kg. Please contact us whenever you have questions. customer feedback ?Ive started to order the items from Japan in other online shops a year ago and never had the problems with quality and delivery to Moscow by EMS from Japanese side, everything was perfect and fast. ?Carefully packaged! Great product in mint condition! A+ seller! ????????????? ?Ill buy from this seller again. Looking first in his shop. Great service. ?Wonderful! Item exactly as described!! Top-rate seller! ?Very happy with this seller, well packed, doll is lovely thanks very much.. About us A specialty shop offering a wide variety of carefully selected Japanese brand items. Unless marked used all of our inventory is brand new, so you can feel confident about your purchase. Even if you think to yourself, But the item I want is only available in Japan., make sure to consult with us before giving up hope. We will look for and suggest the best products on your behalf. Besides I also have a lot of works. Please inquire any time. International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.