Choosing Between Modern Soundbar Systems: A Detailed Comparison

When you're ready to upgrade your TV's built-in speakers, today's soundbar systems offer impressive home theater audio without the complexity of traditional separate components. Let's dive deep into two compelling options: the JBL Bar 700 ($699) and the TCL Q85H ($599).

Understanding Modern Soundbar Systems

Today's soundbars have evolved far beyond simple stereo speakers. They now incorporate advanced audio processing, wireless connectivity, and sophisticated speaker arrays that can fill a room with immersive sound. But not all systems approach this goal the same way.

The key technologies driving current soundbar performance are:

• Dolby Atmos and DTS:X for 3D spatial audio
• Room calibration systems that optimize sound for your space
• Wireless subwoofers and surrounds for flexible placement
• Advanced digital signal processing (DSP) for virtual channels

Core Features and Capabilities

Channel Configuration Deep-Dive

The TCL Q85H offers a true 7.1.4 setup, meaning seven main channels (front left/right/center, side left/right, rear left/right), one subwoofer, and four height channels. These dedicated up-firing speakers physically bounce sound off your ceiling for authentic overhead effects.

The JBL Bar 700 takes a different approach with its 5.1 virtual Atmos configuration. While it lacks physical height speakers, it uses sophisticated audio processing to simulate overhead sounds. This can work surprisingly well in rooms with standard-height flat ceilings but may be less effective in other spaces.

Power and Volume Capabilities

Raw power numbers tell only part of the story, but they do matter for larger rooms. The TCL's 860W total power output provides significant headroom for dynamic peaks in action scenes without distortion. The JBL's 620W is still plenty for most spaces but may need to work harder in larger rooms.

More importantly, both systems use their power effectively:

• TCL distributes power across more physical speakers for precise positioning
• JBL concentrates power in fewer channels but includes a larger subwoofer
• Both systems can easily fill medium-sized rooms (up to about 350 sq ft)

Speaker Design and Placement

The JBL Bar 700's detachable battery-powered surrounds are genuinely innovative. They charge when attached to the main bar and provide about 10 hours of playback when placed behind your seating. This flexibility is perfect for rooms where running wires isn't practical.

TCL's traditional wireless surrounds require power outlets but include both forward-firing and up-firing drivers for more precise spatial effects. The extra drivers contribute to a more accurate Atmos experience but at the cost of placement flexibility.

Performance Analysis

Audio Quality in Detail

Both systems excel in different areas:

JBL's Strengths:

• PureVoice technology notably improves dialogue clarity
• 10" subwoofer provides deeper, more impactful bass
• Excellent stereo music reproduction
• More balanced sound in standard 5.1 content

TCL's Advantages:

• More precise object placement in Atmos content
• Better overhead effects with physical height speakers
• Greater sense of envelopment with side channels
• Higher maximum volume without distortion

Room Calibration Technology

Modern room calibration can significantly impact real-world performance. The TCL's AI Sonic system is more sophisticated, measuring multiple points in your room to create a detailed acoustic map. This helps compensate for room reflections and standing waves that can muddy the sound.

JBL's calibration is simpler but still effective, primarily focusing on balancing levels between speakers. While it may not handle complex room acoustics as well, it's generally more foolproof and less likely to introduce unwanted artifacts.

Real-world Usage

For movies and TV shows:

• TCL excels with modern Atmos content
• JBL handles legacy content more consistently
• Both support eARC for high-quality audio from your TV

For music:

• JBL offers better stereo imaging
• TCL provides more expansive sound but can sometimes sound artificial
• Both support major streaming services via WiFi and Bluetooth

Future-proofing and Technology

The TCL Q85H leads in channel count and power but launched more recently with current-generation features. The JBL Bar 700 compensates with superior processing and more refined performance with traditional content.

Both support the latest HDMI 2.1 features including:

• Enhanced Audio Return Channel (eARC)
• Variable Refresh Rate (VRR) pass-through
• Auto Low Latency Mode (ALLM)

How to Make Your Decision

Choose the JBL if:

• You frequently move your surrounds or can't place them permanently
• Movie dialogue clarity is your top priority
• You listen to a lot of music
• You have a smaller room
• You prefer a more natural sound

Choose the TCL if:

• You want the most immersive Atmos experience
• Your room is larger
• Maximum volume capability is important
• You primarily watch modern content with Atmos
• Budget is a primary consideration

Both systems represent excellent value for their respective prices, but they target slightly different users. The TCL offers more raw capability at a lower price, while the JBL provides more refined performance in a more flexible package.

For most users in medium-sized rooms watching a mix of content, the JBL Bar 700's better balanced performance and innovative surrounds make it worth the extra $100. However, if you're setting up a dedicated home theater room and primarily watch newer Atmos content, the TCL Q85H's additional channels and power provide a more cinema-like experience.

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