The JBL Synthesis SMA 8300 Subwoofer Amplifier brings professional-grade power to your home cinema, delivering 300W per channel across eight channels, with bridgeable options for subwoofers up to 1,200W. Designed for JBL Synthesis immersive audio systems, it ensures precision and depth. Available at Len Wallis Audio, the JBL Synthesis SMA 8300 Subwoofer Amplifier is your solution for a high-performance audio setup.

Why Choose the JBL Synthesis SMA 8300 Subwoofer Amplifier?

The JBL Synthesis SMA 8300 Subwoofer Amplifier, part of the SMA Series launched in Q1 2025, redefines versatility and power in home cinema audio, reflecting HARMAN Luxury Audio’s dedication to cutting-edge performance. This 8-channel Class D amplifier delivers 300W per channel into 8 ohms, with the ability to bridge adjacent channels for up to 1,200W into 8 ohms, making it perfect for powering subwoofers, LCR, surround, and height channel loudspeakers in JBL Synthesis immersive audio systems.

Its high-resolution DSP suite, featuring EQ, delay, and limiters, allows for meticulous loudspeaker tuning, ensuring every sound—from the deep bass of an action sequence to the delicate whispers in a drama—is reproduced with stunning clarity and impact.

Designed for custom installations, the SMA 8300 supports DANTE and AES67 digital audio networking, enabling seamless integration with compatible processors over a single Ethernet cable. Balanced XLR inputs and binding post speaker terminals provide professional-grade connectivity, while full external control simplifies system integration with platforms like Crestron or Control4.

The compact 2RU chassis, with quiet side-to-side ventilation and a maximum fan noise of 51 dBA, ensures minimal rack space usage and discreet operation, ideal for luxury setups.

With a signal-to-noise ratio exceeding 105 dB (A-weighted), this amplifier delivers clean, dynamic audio, enhancing the immersive experience of your home theatre.

Encased in a sleek black chassis measuring 88.9 x 482.6 x 432.6 mm (including rack ears), its stackable design fits seamlessly into professional installations.

Contact our expert team at Len Wallis Audio to discuss how the JBL Synthesis SMA 8300 Subwoofer Amplifier can elevate your home cinema system, delivering the power and precision that JBL Synthesis is renowned for.

Technical Specifications

• Power Output: 300W per channel (8 ohms), bridgeable to 1,200W (8 ohms)
• Channels: 8-channel Class D amplifier
• Signal-to-Noise Ratio: >105 dB (A-weighted, ref. rated power)
• Inputs: Balanced XLR, DANTE/AES67 digital audio networking
• Outputs: Binding post speaker terminals
• DSP Features: EQ, delay, and limiters for custom tuning
• Maximum Fan Noise: 51 dBA (ref. dB SPL at 1M)
• Dimensions (H x W x D): 88.9 x 482.6 x 432.6 mm

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Elevate your home theatre with the JBL Synthesis SMA 8300 Subwoofer Amplifier at Len Wallis Audio. Browse our curated collection of amplifiers here or reach out to discuss integration into your system. Contact us today to secure the JBL Synthesis SMA 8300 Subwoofer Amplifier and experience cinematic audio at its finest.

Len Wallis Audio Excellence Promise

Since 1978, Len Wallis Audio has been a trusted name in hi-fi, curating premium audio solutions from our Lane Cove showroom in Sydney. For over four decades, we’ve selected products that deliver outstanding performance and quality.

Our focus on innovation ensures every item meets audiophile standards. Whether upgrading or building a new system, our team helps you find the ideal audio solution for your needs.

With expert guidance and a commitment to satisfaction, we make your audio journey seamless and rewarding.

Ready to enhance your setup with the JBL Synthesis SMA 8300 Subwoofer Amplifier?

Call (02) 9427 6755
Email Sales@lenwallisaudio.com.au
Or visit us at 64 Burns Bay Road, Lane Cove, NSW, 2066