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 Wyred4Sound STI v2 Series Integrated Amplifier 


Available in 2 power configurations, our STI-500 v2 and STI-1000 v2 integrated amps are consistently lauded by critics as one of the best integrated amps on the market. The STI v2 series features a reference quality analog pre-amp and two mono amps built into one chassis, creating exceptional performance in a convenient form factor. The new STI v2 models feature all-new ICE modules for this series, borrowed from our very successful and award-winning ST mkII series. Also featured for the v2 series is a new chassis color: a very sleek antracite gray, as well as traditional black.


Because the unit is efficient and consumes very little power at idle, the STI is a truly green product that conserves all its energy for your music. On the outside, the STI’s Vacuum Fluorescent Display and optical rotary encoder not only look great, they ensure years of trouble-free listening. 


Kimber Wire/WBT binding post upgrade:

Under the Select Options dropdown, you can choose to upgrade the internal wiring and binding posts of your STI! We replace our usual OFC internal wiring with premium Kimber TCX wire, a 14 ga. multi-gauge/multi-strand OFC wire for improved transparency and sound. We also replace our normal binding posts with high-end, German-made WBT nextgen® binding posts for a better fit and connection. Consider this upgrade to maximize the performance of your STI.

Wyred4Sound STI-500 v2 Integrated Amplifier

Colour: Black
  • STI v2 Series Features

    • Utilizes latest generation (ASX2) ICEpower® audio technology
    • Up to 460wpc in 8Ω, 775wpc in 4Ω
    • Vacuum Fluorescent Display (VFD)
    • Optical rotary encoder (volume knob / power button)
    • Fully functional remote control
    • 12V DC Trigger input (to automatically activate HT Bypass mode)
    • 12V DC Trigger output
    • Home Theater bypass (customizable for any input, also DC Trigger input selected)
    • RCA pre-out gives you the flexibility to bi-amp or add a subwoofer.
    • Balance control
    • Absolute phase control (0°/180°)
    • Efficient (little heat)
    • Extremely low noise floor
    • True Resistive-Ladder volume control​
    • Differential, fully-balanced
    • Unbalanced to Balanced conversion (when RCA inputs are selected)
    • Extremely low Idle power consumption
    • Rugged construction
    • ½” Machined and Anodized front panels
    • 60kΩ input impedance
    • 4 sets of gold plated unbalanced (RCA) inputs
    • 1 set of gold plated unbalanced (RCA) outputs (For use with a powered sub, etc.)
    • 1 set of Neutrik Balanced (XLR) inputs
    • Factory Selectable mains 115/230VAC
    • Compact size (17”W x 4”H x 14.5”D)
    • Covered by a 5 YEAR WARRANTY


    STI-500 v2 Specifications

    • Typical THD+N 8Ω (10W out): 0.001%
    • Power Output 8Ω @ 0.2% THD+N: 250W
    • Power Output 8Ω @ 1.0% THD+N: 277W
    • Power Output 4Ω @ 0.2% THD+N: 430W
    • Power Output 4Ω @ 1.0% THD+N: 460W
    • Output Idle Noise (A Wt.): <125µV
    • Frequency Response 20Hz-20kHz (8Ω @ 10W): ± 0.1db
    • Lower Bandwidth: 1.5Hz all loads
    • Dynamic Range: (A wt.) 111db
    • Gain: 42db
    • Sensitivity: 0.55V
    • Output Impedance: 0.005Ω
    • Output Impedance (Pre Out): 100Ω
    • Balanced Input Impedance: 60.4Ωk
    • Unbalanced Input Impedance: 60.4Ωk
    • Min Load: 3Ω
    • Dampening Factor (100Hz 8Ω): 2000
    • Max Output Current: 35A
    • Channel Tracking: < ± 0.050db
    • Crosstalk (20Hz-20kHz): >77db
    • Idle Power Consumption: 25w


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