I've used about 5m, so 25m remains. Thank you. - Brand: amazon basics - Cable Type: Speaker Cable - Wire Gauge: 16 gauge - Length: Approximately 30.5 meters - Material: CCA 16-gauge speaker cable with a spool, allowing you to connect speakers to amplifiers and A/V receivers. A white line on one side of the cable makes it easy to distinguish polarity, enabling correct setup of your audio system. A plastic spool surrounds the speaker wire, allowing for clear and stable signal transmission between audio devices. #speaker #audio #surround sound #YAMAHA #audio #amplifier