LG Sound Bar SPH440 (440 Watts)

1. 🔊 3.1.2‑Channel, 440 W Total Power

Delivers immersive home theater sound across a 3.1.2‑channel configuration—front, center, upward-firing height channels and a wireless subwoofer—providing full-bodied audio at 440 W output 

2. 🎧 Dolby Atmos & DTS:X with Meridian Technology

Features Dolby Atmos and DTS:X spatial audio, enhanced by Meridian's signal processing for a true 3D surround experience 

3. 🎼 High-Resolution Audio (24‑bit / 96 kHz)

Supports high-res formats up to 24-bit/96 kHz and includes 24-bit upsampling, delivering crisp, detailed audio fidelity beyond standard CD-quality sound 

4. 🤖 AI Room Calibration & AI Sound Pro

Automatically tunes audio to your room layout using AI-based room calibration and adjusts sound dynamically by scene type—optimizing voices, bass, and ambience in real time .

5. ⚙️ Multiple Listening Modes & Control Options

Includes adaptive sound modes—Bass Blast, Bass Blast+, Movie, Music, Game, Sports, Clear Voice—and lets you customize EQ via remote or app, plus night mode and dynamic range control .

6. 🌐 Smart Features: Assistant Integration & Streaming

Built-in Google Assistant, Chromecast, Apple AirPlay 2 support, Wi‑Fi, Bluetooth streaming, and compatibility with rear wireless speaker kits for scalable surround setups 

7. 🔌 Versatile Connectivity Suite

Equipped with HDMI In/Out (HDMI 2.0 with HDCP2.2 and HDMI ARC/eARC), optical input, USB playback, Bluetooth 5.0, Wi‑Fi, and LG TV sound sync capabilities 

8. 🧱 Sleek Design with Compact Dimensions

Slim soundbar measuring ~1060×57×119 mm, weighing ~4.4 kg; comes with a 220 W wireless subwoofer (~7.8 kg) and wall-mount accessories included 

9. 💬 User Experience & Reports

Widely considered a balanced performer for movies, music, and TV. Reviewers and Reddit users describe it as a “decent soundbar depending on use case” with value praised for immersive Atmos and clarity via center channel 

10. ⚠️ Considerations & Limitations

Despite strong surround credentials, users note that it may lack deep low-end compared to higher-tier systems. Rear speakers and full Atmos effects require compatible content and optional wireless kit addition