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 Wyred4Sound SX-1000R Monoblock Amplifier 

*Price shown is for a pair*


Introducing the evolution of our most powerful monoblock amplifier, the SX-1000R. The new SX-1000R offers the discerning audiophile the cleanest, most transparent sound available from any power source on the market. Utilizing an all-new input board, the SX-1000R is smoother, more refined and more engaging than the original SX-1000, yet still retains the awesome power that puts it head and shoulders above the competition. Ultra robust power amp topology provides stability down to 2 ohms and the efficiency to remain cool even in the most demanding applications.


A proprietary FET input buffer allows both XLR and RCA input options while feeding the power amp with a ultra-low noise, low distortion signal. WBT nextgen™ binding posts and Kimber Kable TCX wiring come standard — completing the signal path with ultimate purity. The result of our obsession with technology is an expansive, transparent listening experience allowing every instrument to shine through. The SX-1000R is further identified by its moniker on the backplate and a smart looking custom color option - Anthracite Gray. Also available in black.

Wyred4Sound SX-1000R Mono-Block Amplifier Pair

  • SX-1000R Features
    • Powered by ICEpower® (ASP module)
    • Up to 625w in 8Ω, 1225w in 4Ω
    • Idle power consumption 10w
    • Thermal protection
    • Differential, fully balanced design
    • Over-current protection
    • DC protection
    • Upgraded, improved input stage raises input impedance to 91kΩ
    • Sound optimized soft clip
    • Rugged construction
    • Standard 12V DC Trigger
    • ½” Machined and Anodized front panels
    • WBT nextgen™ binding posts
    • Internal Kimber Kable TCX multi-gauge, multi-strand wire
    • Gold Plated unbalanced (RCA) input
    • Neutrik Balanced (XLR) input
    • Available, custom Anthracite gray color chassis
    • Compact size (8.5”W x 4.125”H x 13.5”D)
    • 13 lbs.
    • Covered by a 5 YEAR WARRANTY


    SX-1000R Specifications

    • Typical THD+N 8Ω (10W out): 0.0055%
    • Power Output 8Ω @ 0.2% THD+N: 570W
    • Power Output 8Ω @ 1.0% THD+N: 625W
    • Power Output 4Ω @ 0.2% THD+N: 1,140W
    • Power Output 4Ω @ 1.0% THD+N: 1,225W
    • IMD (CCIF): 0.0005%
    • Transient Inter modulation (TIM): 0.005%
    • Output Idle Noise: <80µV
    • Efficiency 4Ω: 79% @ 1000W
    • Efficiency 8Ω: 78% @ 500W
    • Frequency Response 20Hz-20kHz: ± 0.4db
    • Lower Bandwidth: 3.3Hz (All Loads)
    • Balanced Input Impedance: 91kΩ
    • Unbalanced Input Impedance: 91kΩ
    • Dynamic Range: 118db
    • Gain: 27db
    • Sensitivity: 2.95V
    • Output Impedance: 0.005Ω
    • Min Load: 2Ω
    • Dampening Factor (100Hz 8Ω): 2000
    • Max Output Current: 40A
    • Channel Tracking: < ± 0.02 db
    • Idle Power Consumption: 15W
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