The THX®-Certified ProMedia 5.1 personal audio system was first introduced in 2001 and manufactured by Klipsch until 2003. While no longer in production the ProMedia 5.1 is still owned and listened to by Klipsch fans around the world.O V E RVIEW SPECIFICAT I O N SFREQUENCY RESPONSE: 25Hz-20kHz (total system)MAX. ACOUSTIC OUTPUT: 113dB peakAMPLIFIER HEADROOM: 500 watts total < 0.5% THD+N typicalHEADPHONE SECTION: 200mW max into 300 ohms450mW max into 50 ohmsCONTROL TOWER: Smart power switch, doubles as headphone engageswitch; Amber digital LED level indicator window forall modes; Main volume, center, surround andsubwoofer level control memory (AC disconnectresets to default); Portable music player stereo minipluginput with soundcard mixing function;Headphone jack for private listening, downmixes 5.1into two channels; Direct path amplifier interfaceSATELLITE: Sealed elliptical two-way enclosures with 0.75" metalpolymer dome tweeter mated to MicroTractrix® Hornfor enhanced high frequency detail; 3" long-throwmid-bass driver with convex dust caps for enhancedmidrange dispersionSUBWOOFER: Bass-reflex enclosure with front port and dual sidefiring8" long-throw drivers; flared tuned port; sixthorderenclosure design. Convex driver dust capsenhance subwoofer driver rigidity for unsurpassedhigh output linear bass response. Professionalenclosure design includes eight T-nut screws tosecure each driver to enclosure for heavy dutyreliability.AMPLIFIER: BASH® hybrid amplifier; discrete MOSFEToutputpower section. Dual regulating power supplies allowmaximum current delivery to the subwoofer,independent of satellites, for unparalleled dynamicrange capability.LIMITER: Protective limiting circuitry protects the drivers andamplifiers from extremely high volume playback whilepassing maximum power to all channels, perconfiguration.SATELLITE (W/ BRACKET): 8.5" (21.6cm) H x 4.2" (10.7cm) W x 5.67" (14.4cm) DCENTER: 4.0" (10.2cm) H x 8.5" (21.6cm) W x 4.75" (12.1cm) DSUBWOOFER: 11.25" (28.6cm) H x 11.875" (30.2cm) W x 15" (38.1cm) DSYSTEM WEIGHT: 43.5 lbs. (19.73kg)SATELLITES (EACH): 2.4 lbs. (1.09kg)CENTER: 2.0 lbs. (.91kg)CONTROL TOWER: 1.0 lbs. (.454kg)SUBWOOFER: 25.5 lbs. (11.57kg)