Used, but in perfect working condition. Slight signs of wear from normal use. Speaker arrays come fully assembled on stands for superb performance and more usable desktop space and magnetically shielded satellite speakers prevent monitor interference or damage to magnetic media. Handy control pod houses volume control, single-touch mute, headphone jack and connection for a second audio source such as an MP3 player. Proprietary integrated signal processing delivers lifelike performance at almost any volume level. Control pod: 2.5 H x 1.13 W Inches. Compression circuitry keeps your music clear and undistorted at high volume levels, Acoustimass module - 21.8 cm H x 17.3 cm W x 42.5 cm D.