Panasonic DP‑UB9000 4K UHD Projector vs Polk Audio Signa S4

The DP‑UB9000 delivers true 4K UHD resolution with a laser light source, offering up to 10,000 lumens of brightness and HDR support. Its precision lens shift and keystone correction make installation flexible for large venues. Designed for high-end home theaters, corporate boardrooms, and commercial cinemas, the projector provides a wide color gamut and low latency for immersive visual experiences.

The Polk Audio Signa S4 delivers immersive, cinematic sound to your living room through advanced Dolby Atmos technology and an included wireless subwoofer. Designed to seamlessly integrate with modern 4K and 8K TVs, it transforms everyday television viewing, movie nights, and music listening into a true surround sound experience. Featuring Polk's patented Voice Adjust technology, the sound bar ensures crystal-clear dialogue so you never miss a word. Setup is effortless with the included HDMI eARC and optical cables, allowing you to control the volume using your existing TV remote while enjoying robust, room-filling bass from the down-firing subwoofer.

• True 4K resolution with laser brightness
• Wide color gamut and HDR support
• Flexible installation with extensive lens shift
• Robust connectivity options

• Immersive Dolby Atmos height effects
• Included wireless subwoofer for deep bass
• Voice Adjust technology for clear dialogue
• Simple setup with HDMI eARC and optical cables

• High upfront cost
• Large and heavy unit requires professional mounting
• Limited built‑in media playback features

• Lacks built-in smart assistant integration
• No Wi-Fi streaming support built-in
• Limited physical audio inputs beyond HDMI and optical