Klipsch KLP-1200-THX Ultra2 Series THX Passive Subwoofer with 12-Inch Driver, Single Unit
Bring deep, cinematic bass to your home theater with the Klipsch THX-1200-SW 12″ Passive Subwoofer. This high-performance subwoofer features a 12-inch long-throw Cerametallicâ„¢ woofer in a bass-reflex enclosure, engineered for precise low-frequency reproduction. Designed for front-firing operation, it’s built to deliver stunning output, rich detail, and low distortion for an immersive audio experience.
Certified to THX Ultra2 standards, the THX-1200-SW is optimized for large-scale installations and demanding environments. It pairs seamlessly with the KA-1000-THX amplifier (sold separately), enabling high SPL capability and exceptional control. With its sleek Galaxy Black finish and heavy-duty MDF construction, this subwoofer delivers premium performance and a refined visual design.
Key Features
- 12″ Cerametallic Woofer: Long-throw driver for deep, detailed bass.
- Front-Firing Slot Port: Enhanced placement flexibility and consistent performance.
- THX Ultra2 Certified: Optimized for large, dedicated home theater systems.
- High Output Capability: Reaches up to 130dB @ 30Hz for powerful performance.
- Galaxy Black Finish: Stylish aesthetic with black anodized aluminum fascia.
Technical Specifications
- Frequency Response: 20–200Hz ±3dB
- Nominal Impedance: 8 ohms
- Recommended Amplifier: KA-1000-THX (sold separately)
- Enclosure Type: Bass-reflex via front-firing port
- Cabinet Construction: MDF with dado and rabbet joints
- Finish: Galaxy Black with aluminum fascia
- Dimensions (H x W x D): 20.25″ x 17.75″ x 17.75″
- Weight: 80 lbs
What’s Included in the Box
- Klipsch THX-1200-SW 12″ Passive Subwoofer
- 20′ Monster THX Ultra Cable with Neutrik SpeakOn Connectors
- Grille
- Limited 5-Year Manufacturer Warranty















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