RP-640D (Reference Premiere Designer On-Wall RP-640D) in Matte Black Paint. is a slim, high-performance on-wall speaker designed for modern home theaters where space is limited. It features a 1-inch Titanium Dome Linear Travel Suspension (LTS) tweeter with Tractrix® horn technology, two 3.5-inch Cerametallic™ active woofers and four passive radiators for deep bass. This versatile speaker, finished in matte black, can be mounted vertically or horizontally, or placed on a table using the included glass base, making it perfect for front, center, or surround channels.
Key Features:
- Premium Drivers & Technology: Employs a 1" Titanium Dome Linear Travel Suspension (LTS) tweeter and Dual 3.5" Cerametallic woofers for minimal distortion and rigid, lightweight performance.
- Tractrix Horn: A 90x90 Tractrix horn provides improved high-frequency response, image, and dynamics by focusing sound toward the listening area.
- Advanced Bass Design: Utilizes dual active 3.5" Cerametallic woofers paired with quad 3.5" passive radiators for rich, deep sound in a slim profile, as detailed in the specifications by Sweetwater.
- Versatile Mounting: Includes dual 4-way keyholes for easy vertical or horizontal wall mounting, along with a sleek glass base for table-top placement.
- Sleek Aesthetics: Features a matte black finish, a slim profile, and a magnetic, wraparound grille that blends with modern decor.
- High Performance: Frequency response of.
- , and power handling up to.
- Impedance: 8 Ohm Compatible.
Specifications:
- Output Power: 75W RMS / 300W Peak
- Form Factor: slim, rectangular
- Weight: 8 lbs (1.7 kg)
- Connectivity: wired
designed and engineered in the USA (specifically Indianapolis, Indiana) by Klipsch Audio Technologies, but it is manufactured in China.








