JBL Synthesis SMA-8300
Best high-performance amplifier for custom immersive home theater installations.
The JBL Synthesis SMA-8300 is a powerful and versatile 8-channel Class D power amplifier designed for immersive audio systems. It delivers 300W per channel into 8 ohms, with the ability to bridge adjacent channels for 600W into 4 ohms or 1200W into 8 ohms. This flexibility makes it ideal for powering LCR, surround, and height channel loudspeakers, as well as subwoofers. Featuring advanced DSP for custom tuning and full external control for seamless system integration, the SMA-8300 offers a compact, stackable design with quiet ventilation, ensuring efficient performance in custom installations.
$5999.00
Owner Satisfaction
4.7
/ 5
Category Rank
421
/ 1719
#421 in Power Amplifiers
Price vs Category Average
-27%
Below average
Model
8300
/ SMA-
Who it's for
- Home theater enthusiasts seeking a streamlined, all-in-one control solution
- Audiophiles demanding signature high-performance sound and sonic accuracy
- Homeowners needing precise room correction for challenging acoustic environments
Who should skip it
- Budget-conscious buyers looking for entry-level audio components
- DIY users who prefer simple, plug-and-play installation
- Casual listeners seeking a basic, uncomplicated audio setup
Performance breakdown
Power Versatility
Bridgeable channels provide massive headroom for demanding LCR and subwoofer configurations.
System Integration
Dante and AES67 support ensure seamless connectivity in complex professional audio environments.
DSP Precision
High-resolution 96kHz processing allows for surgical, custom-tuned loudspeaker performance.
Speaker Control
An exceptional damping factor ensures tight, authoritative grip on any driver.
Thermal Efficiency
Compact Class D design maintains cool operation even under heavy, sustained loads.
Installation Flexibility
Stackable rack-mount chassis fits easily into tight, custom equipment closets.
Key Specs
Model
SMA-8300
Analog audio input
8x XLR (Balanced)
Digital audio input (Dante/AES67)
2x RJ45
Speaker output
Binding Posts, accommodates 10AWG wire, spade, and banana termination
12VDC trigger control
1x 3.5mm (in), 1x 3.5mm (out)
Network/Monitoring/Control
1x RJ45
Power
Standard IEC
Power (2 channels driven, <0.5% THD), Rated Power (8Ω)
300W
Features
- Versatile 8-channel Class D power amplifier
- Bridgeable channels for increased power output
- Powerful built-in DSP for custom loudspeaker tuning
- Full external control for easy system integration
- Compact, stackable design with quiet side-to-side ventilation
- DANTE / AES67 digital audio networking support
- High damping factor for precise speaker control
- Accommodates various speaker wire terminations
What customers say
Customers consistently praise the JBL Synthesis SMA 8300 for its exceptional audio quality and robust build. Users frequently highlight the immersive soundstage and precise clarity, noting a significant upgrade in their listening experience. The device's premium construction also receives high marks, reinforcing its perceived durability and high end appeal. This combination of superior sonic performance and solid craftsmanship establishes the SMA 8300 as a top tier choice for discerning audiophiles.
Know before you buy
Yes, you can bridge adjacent channels to increase power output. This configuration provides 600W into 4 ohms or up to 1200W into 8 ohms, making it ideal for driving demanding subwoofers or large main speakers.
Yes, the SMA-8300 features dual RJ45 ports that support Dante and AES67 digital audio networking, allowing for seamless integration into modern, high-performance audio systems.
The amplifier uses a side-to-side ventilation system designed for quiet operation, with a maximum fan noise level of 51dBA at one meter. While it is efficient for custom installations, it is best placed in a ventilated rack or equipment closet.
The binding posts are highly versatile and accommodate 10AWG wire, as well as standard spade and banana plug terminations, ensuring compatibility with most high-end speaker cables.
Yes, the SMA-8300 includes powerful 96kHz, 32-bit floating-point DSP. This allows for precise custom tuning of your loudspeakers to optimize performance for your specific room acoustics.
Yes, the unit features a compact, stackable design specifically intended for custom rack installations. Its dimensions and ventilation layout are engineered to maintain performance even when multiple units are installed together.
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