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Klipsch KL-650-THX-L

THX® Ultra2 certified loudspeaker (Left channel)

Key Features

  • Designed for front channel sound reproduction in high-performance home theaters
  • 6” x 10” Tractrix Horn Tweeter with 1” titanium-dome compression driver
  • Left-channel version (use with a right-channel version for mirror image pair) 
  • Left or right version may be used as a center channel speaker





Klipsch engineered the KL-650-THX to give you intense, realistic movie theater sound in your home using the same technology found in their professional-grade cinema speakers. This speaker bears the THX Ultra2 seal of approval, which means it can deliver crisp, clear output at highly demanding reference levels in rooms as large as 3,000 cubic feet. Use three of these speakers across your home theater's front soundstage for engaging dialogue and gripping sound effects.

  • Klipsch KL-650-THX speaker: Use the KL-650-THX to create an awesome speaker array for your ultimate THX Ultra2 home theater.
  • Horn technology for a focused sound: The KL-650-THX uses a 1" titanium dome compression driver paired with Klipsch's Tractrix® horn. This large, rectangular flared opening projects high frequencies toward your listening area and prevents sound waves from simply spilling out in all directions. 
  • Built to last:  To ensure years of top-notch performance, Klipsch builds their THX certified speakers to the highest standards. Each ported enclosure features the same interlocking panel construction found in their professional speakers for maximum structural integrity and strength. Premium-quality internal wiring is used throughout for superior signal transfer and clarity. And Klipsch finishes off the KL-650-THX with a beautiful and durable fascia of black brushed aluminum.
  • For your listening pleasure: An ideal choice for each of your home theater's front channels, the KL-650-THX can also be used for surround speakers, or for combination home theater/music systems that demand superb sound and high-output capability. 

Product Highlights

  • Designed for front channel sound reproduction in high-performance home theaters
  • Right-channel version (use with left-channel version for mirror image pair)
  • Left or right version may be used as a center channel speaker
  • Frequency response 48-20,000 Hz (±3dB)
  • Power handling: 150 watts maximum continuous (600 watts peak)
  • Sensitivity: 97 dB
  • Nominal impedance: 8 ohms compatible
  • Tweeter: 1" titanium dome compression driver in a 10" x 6" Tractrix® horn
  • Woofers: two 6-1/2" Cerametallic™ cone drivers with cast aluminum frames
  • Bass reflex enclosure with front-firing port allows placement in custom cabinetry or against a wall
  • Professional-grade rabbet and dado cabinet construction
  • Black cabinet with black anodized aluminum fascia
  • Dual binding posts for bi-amping or bi-wiring

Dimensions and Warranty

  • 17"W x 15"H x 12-1/2"D (with grille)
  • Weight: 39 lbs
  • Warranty: 5 years
  • Our 30-day money-back guarantee
  • MFR # 1010651

Additional information



Frequency Response

48Hz-20kHz ± 3dB


97dB @ 2.83 volts / 1 meter

Nominal Impedance

8 ohms compatible



Power Handling

150 watts maximum continuous (600 watts peak)

Enclosure Type

Bass reflex via front-mounted port

Enclosure Material

Medium density fiberboard construction (MDF)


1" (2.5cm) magnetically shielded titanium dome compression driver with 9.6oz ceramic magnet structure


10" x 6" rectangular 90°x 60 °Tractrix Horn


Two 6.5" (16.5cm) magnetically shielded, Cerametallic cone, cast aluminum frame drivers

Input Connections

Two sets of binding post speaker terminals (connected via brass strap jumpers)


15" (38.1cm) H x 17" (43.2cm) W x 12.5"(31.8cm) D (w/grille)


39 lbs. (17.7kg)


Galaxy Black cabinet with Black anodized aluminum fascia


4-bolt pattern 1/4"-20 thread


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