Pre-owned and fully tested. Both Audio Unlimited 900MHz wireless rock speakers successfully connected to the included Acoustic Research AW825 transmitter and played audio properly at the same time. Volume and auto-tune controls were tested and working. The speakers and transmitter show normal cosmetic wear from previous use, including marks, scuffs and weathering consistent with outdoor equipment. Please review all photos carefully for exact condition and included items. Audio Unlimited 900MHz Wireless Rock Speaker Pair with Acoustic Research AW825 Wireless Audio Transmitter. Complete working wireless outdoor/indoor rock speaker setup. Both speakers were tested together with the included AR AW825 transmitter and are working properly. During testing, the transmitter was located indoors and the speakers continued receiving and playing audio outdoors at a distance of over approximately 80 feet, including transmission through a wall. This is only our actual test result and is not a guarantee of range in every installation, as wireless performance can vary depending on surroundings and interference. Pair of Audio Unlimited wireless rock speakers. 900MHz wireless RF system. Speaker power requirement: 15V DC, 1A each. Individual Power / Volume + / Volume – / Auto Tune controls. Acoustic Research AW825 wireless audio transmitter. AW825 power requirement: 12V DC, 200mA. 3 selectable transmitter channels. Stereo RCA audio input. Suitable for indoor/outdoor patio, garden, pool or landscape use. Rock-style enclosures blend naturally into outdoor surroundings. 2 Audio Unlimited 900MHz wireless rock speakers. 1 Acoustic Research AW825 900MHz wireless audio transmitter. 2 compatible 15V DC speaker power adapters. 1 compatible transmitter power adapter. Audio connection cable shown in photos. Both speakers were powered on and successfully paired/received audio from the AW825 transmitter simultaneously. Audio playback was clear during testing. These are pre-owned outdoor-style speakers and show normal signs of previous use, including surface marks, scuffs, discoloration/weathering and wear around the bottoms. No attempt has been made to disguise normal age-related cosmetic wear. Please inspect all photos closely, as they are part of the description and show the exact items you will receive. Only the items pictured are included.