JBL Synthesis SDR-38
Best high-end receiver for dedicated home cinema enthusiasts.
The JBL Synthesis SDR-38 is an AV receiver designed for exceptional audio and video performance. It offers 16 channels of native processing, supporting immersive formats like Dolby Atmos, DTS:X, and Auro 3D, along with Dirac Live room correction. Featuring 7 channels of Class G amplification, it delivers dynamic power with low distortion. Connectivity includes HDMI 2.1 for 8K/4K resolutions, eARC, and DANTE networking for flexible integration. Enjoy seamless streaming via Wi-Fi, Bluetooth, AirPlay 2, and Chromecast built-in.
$8550.00
Owner Satisfaction
4.5
/ 5
Category Rank
259
/ 703
#259 in Audio & Video Receivers
Price vs Category Average
+224%
Above average
Continuous power output, per channel, 8Ω/4Ω (2 channels driven, 20Hz–20kHz, <0.02% THD)
120200
/ W/W
Who it's for
- Audiophiles seeking studio-grade room correction and sonic precision
- Gamers and cinephiles needing high-bandwidth 8K video support
- Home theater enthusiasts demanding total immersive audio format compatibility
Who should skip it
- Budget-conscious shoppers seeking an affordable home theater solution
- Users wanting a simple, all-in-one integrated receiver setup
- Casual listeners intimidated by complex calibration and technical configuration
Performance breakdown
Immersive Processing
Sixteen channels of discrete processing handle complex surround formats with absolute precision.
Amplification Efficiency
Class G design delivers massive dynamic power while maintaining exceptional thermal efficiency.
Room Calibration
Dirac Live with Bass Control masterfully tames even the most challenging acoustics.
Video Throughput
HDMI 2.1 support ensures flawless 8K and 4K high-frame-rate gaming performance.
Integration Versatility
DANTE networking and extensive control options make this a professional integrator's dream.
Streaming Connectivity
Comprehensive wireless support covers every major platform for seamless high-resolution audio playback.
Key Specs
Continuous power output, per channel, 8Ω/4Ω (2 channels driven, 20Hz–20kHz, <0.02% THD)
120W/200W
Continuous power output, per channel, 8Ω/4Ω (2 channels driven, 1kHz, 0.2% THD)
140W/220W
Continuous power output, per channel, 8Ω/4Ω (7 channels driven, 1kHz, 0.2% THD)
100W/180W
Residual noise & hum (A-wtd)
<0.15mV
Stereo line inputs
Maximum input: 4.5Vrms
Stereo line inputs
Nominal sensitivity: 1V, 2V, 4V (user adjustable)
Stereo line inputs
Input impedance: 47kΩ
Stereo line inputs
Signal/noise ratio (A-wtd ref 100W) normal/stereo direct: 100dB/110dB
Features
- Latest HDMI 2.1 specification for ultra-high video resolutions up to 8K@60fps and 4K@120fps.
- Supports a wide range of HDR formats including Dolby Vision, HDR10+, HDR10, and HLG, along with 3D video.
- 16 channels of discrete high-resolution processing for immersive surround sound with Dolby Atmos, DTS:X, and Auro 3D.
- Dirac Live Room Correction with Bass Control optimizes sound quality by minimizing room impact.
- 7 Channels of Class G Amplification provide 20W per channel in Class A with dynamic output for peak performance.
- DANTE Network Audio allows all 16 processed audio channels to be routed over a single CAT5e/CAT6 cable.
- Versatile network and Bluetooth streaming options including Chromecast built-in, Apple AirPlay 2, Roon, Harman MusicLife app, and aptX HD.
- Designed for integrators with features like a rack mount kit, DANTE, eARC, internal configuration page, and app control.
What customers say
Customers consistently laud the JBL Synthesis SDR 38 for its exceptional audio performance and robust build quality. Users frequently highlight its immersive soundstage and powerful processing, establishing it as a cornerstone for premium home theater setups. The sophisticated design and reliable operation also earn high praise. While a significant investment, many find the unparalleled sonic clarity and overall quality fully justify the cost, making it a top tier choice for discerning enthusiasts.
Know before you buy
Yes, the SDR-38 features HDMI 2.1 connectivity, supporting 8K resolution at 60fps and 4K at 120fps. It is also compatible with major HDR formats, including Dolby Vision, HDR10+, and HLG, ensuring it handles modern gaming consoles and high-end video sources with ease.
Class G amplification provides the efficiency of Class AB but with a more sophisticated power supply design. It operates in pure Class A for low-level signals to minimize distortion, then switches to a higher voltage rail only when needed for dynamic peaks, resulting in cleaner, more powerful sound.
Absolutely. The SDR-38 includes Dirac Live Room Correction with Bass Control, which is one of the most effective tools for minimizing room acoustic issues. It helps smooth out frequency response and improves low-end performance across your entire listening area.
DANTE allows you to route all 16 channels of processed audio over a single standard CAT5e or CAT6 Ethernet cable. This is a massive advantage for complex installations, as it simplifies cable management and provides high-quality, low-latency digital audio distribution.
Yes, it offers extensive streaming options including Apple AirPlay 2, Chromecast built-in, and Bluetooth with aptX HD. You can also use the Harman MusicLife app or Roon to manage your music library seamlessly over your network.
Yes, the SDR-38 features 16 channels of native processing. While it has 7 built-in channels of amplification, you can use the pre-amplifier outputs to connect external power amplifiers to drive a full 16-channel immersive audio setup.
Still have a question?
Ask Hayley anything about this product before you decide.