The Klipsch THX-504-L is an in-wall speaker from Klipsch's THX Ultra2 series, designed for high-end home theaters. This model is designed to deliver cinematic sound quality without taking up valuable floor space, making it an ideal choice for concealed installations. THX Ultra2 certification ensures that it meets stringent standards for power, accuracy, and performance, suitable for rooms up to 3,000 cubic feet (approximately 85 m³). The THX-504-L can be used as a Left, Center, Right (LCR) channel.

Main characteristics:

1. Construction and components :
   • Equipped with four 5.25" (13.3 cm) woofers with Fiberglass cones that deliver powerful and deep bass.
   
   
   • 1" (2.5cm) titanium dome compression tweeter mated to a 90° x 90° Tractrix square horn. The horn increases efficiency and controls sound dispersion.
   
   
   • The body is made of MDF and aluminum motor board with ABS frame, with "infinite baffle" installation type, frontally flush with the wall.
   
   

1. Technical parameters :
   • Frequency Response: 46Hz – 20kHz (±3dB) – Provides good low frequency coverage for LCR channels, although a subwoofer is recommended.
   
   
   • Sensitivity: 92dB at 2.83V/1m - high efficiency, making it easy to work with amplifiers.
   
   
   • Nominal resistance: 8 Ohm.
   
   
   • Power: 150W RMS (continuous), up to 600W peak.
   
   
   • Crossover frequency: 250 Hz and 2100 Hz (two-way design with additional separation of the woofers).
   
   

1. Installation features :
   • Cutout dimensions: 69.2 cm (height) x 16.5 cm (width), mounting depth: 9.5 cm.
   
   
   • Equipped with sure-grip mounting dogs for secure fastening in plasterboard with uniform pressure.
   
   
   • Magnetic edge-to-edge grille that can be painted to match the wall for a seamless integration.

1. Purpose and sound :
   • THX Ultra2 certification delivers dynamic range and power up to 115dB, ideal for larger rooms and movies with rich soundtracks.
   
   
   • Four woofers deliver enhanced bass punch, while the Tractrix horn delivers clear, low-distortion highs.
   
   
   • Suitable for front or center channels, providing clear dialogue and detailed effects.

1. Design :
   • Finish: white grille with the possibility of painting.
   
   
   • Dimensions: 72.4 cm (height) x 20.3 cm (width).
   
   
   • Weight: about 8.3 kg.
   
   
   
   

Advantages:

• Power and Quality : Four woofers and horn technology deliver impressive sound for a discreet solution.
• Flexibility : Can be mounted horizontally or vertically, timbre compatible with all Klipsch THX Ultra2 products.
• Concealed installation : Compact design and magnetic grille make the speaker invisible in the interior.
• Reliability : Robust construction and fastenings ensure durability.