Front view of JBL Synthesis SMA-4750 multichannel DSP amplifier with LED indicators and rack-mountable design.
Rear panel of the SMA-4750 showing audio inputs, outputs, and digital DANTE / AES67 connections for advanced networking.
JBL Synthesis DSP amplifier setup in home theater rack powering LCR and subwoofers with precision EQ adjustments.
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JBL Synthesis SMA-4750 | Premium 4-Channel DSP Multichannel Amplifier

Original price was: $4,999.00.Current price is: $2,999.40.

-40%

This compact 4-channel DSP amplifier delivers immersive sound performance for demanding home theater setups.

(3 customer reviews)

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Front view of JBL Synthesis SMA-4750 multichannel DSP amplifier with LED indicators and rack-mountable design.
JBL Synthesis SMA-4750 | Premium 4-Channel DSP Multichannel Amplifier
$4,999.00 Original price was: $4,999.00.$2,999.40Current price is: $2,999.40.

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Whether you’re designing a full-fledged cinematic escape or upgrading your existing setup, the JBL Synthesis SMA-4750 stands out among top rated home theater amplifiers. Built for precision, this Class D multichannel amplifier offers high-output performance with smart features like bridgeable channels and support for DANTE / AES67 networking.

  • Powerful 4-channel design with immersive detail and clarity
  • Fully integrated DSP amplifier suite including EQ, Delay & Limiters
  • Compact, rack-friendly with silent side-venting cooling
  • Ideal for LCR, surround, and subwoofer configurations

Curious about how to use DSP amplifier settings to optimize room acoustics? The SMA-4750 makes advanced tuning accessible with its intuitive DSP interface. Perfect for custom installs or enthusiast-grade listening spaces.

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3 reviews for JBL Synthesis SMA-4750 | Premium 4-Channel DSP Multichannel Amplifier

  1. Paige Brown (verified owner) –

    This DSP amplifier changed everything in my media room. Clear highs, solid bass—totally worth the price.

  2. Michael Klein (verified owner) –

    I read tons of reviews of JBL Synthesis amplifiers before choosing this model. The SMA-4750 lives up to the hype.

  3. Kyle Knapp (verified owner) –

    As an installer, I’ve used many brands, but this multichannel amplifier is one of the best audio amplifier for home theater clients I’ve seen so far.

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FAQs

How to use DSP amplifier settings in custom installations?
The SMA-4750 offers an intuitive DSP interface with Hi-Resolution settings. Access EQ, delay, and limiter controls to fine-tune speaker output per room acoustics. Ideal for custom theater configurations.
Is the SMA-4750 a good option for surround and height channels?
Absolutely. This 4-channel DSP amplifier handles complex configurations including LCR, surround, and overhead speakers with precision, making it a solid choice for immersive home theaters.
Can I get cheap multichannel audio amplifier deals for this model?
Yes, JBL Synthesis often releases promotional bundles and seasonal offers. Be sure to explore authorized retailers online for cheap multichannel audio amplifier deals tailored to your setup.
SKU: jbl-sma4750-4ch-dsp-multichannel-amplifier Category: Tags: , , , , , , ,

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