Sony Multimedia Speaker System .

You will receive the following: 2 Speakers Subwoofer AC Adapter Original Box With its unique design, and exciting options, the SRS-D21 2.1 multimedia speaker system truly enhances your music or gaming experience. This system includes a 3-piece multimedia speaker system (2 satellites + 1 subwoofer), powerful bass-enhanced music or pc gaming sound, and 20 watts of total output power (2W x 2; 20W). Additionally, the SRS-D21 includes a headphone jack for private listening, making these speakers a great choice for home or office use. Get powerful 20-watt sound without disrupting your personal, home, or office space. Main Specifications Product Description Sony SRS D21 - PC multimedia speaker system Product Type 2.1-chanel PC multimedia speaker system System Components 2 speakers, subwoofer Speaker Type Active Audio System Max Output Power 20 Watt Response Bandwidth 60 - 20000 http://fostexinternational.com/docs/products/PH-100.shtml OVERVIEW The new PH-100 is a remarkably quiet, 1U rackmount headphone distribution amplifier. Each output has its own amplifier as well as its own level control - so different individual listening requirements can be met with ease. Multiple PH-100s can also be cascaded to handle a large number of listeners making it ideal for orchestral, multimedia, education and trade show applications. The PH-100 is especially handy in the studio environment because an output from the mixer can send a talkback signal to the Aux input (complete with level control) of the PH-100 and be distributed to all headphone outputs. This great cue system makes for more effective communication between engineer/producer and musicians. Flexibility is further en