Krell KSA i400: Unleashing Power, Precision, & Pure Audio Excellence

Krell KSA i400: The Pinnacle of Power & Precision

Unleashing Unmatched Power with Audiophile Precision

The Krell KSA i400 is the latest milestone in high-performance audio amplification, designed to deliver unparalleled power, precision, and clarity. Engineered with the discerning audiophile in mind, this amplifier stands as a testament to Krell’s decades-long legacy of innovation and excellence. Whether you are driving demanding speakers or creating an immersive audio experience, the KSA i400 provides the dynamic range and sonic accuracy that only Krell can offer.

Exceptional Power Delivery

At the core of the KSA i400 is an impressive amplifier capable of delivering 400 watts per channel into 8 ohms and a staggering 800 watts per channel into 4 ohms. This immense power ensures that your speakers are driven with authority, revealing every detail of your music with extraordinary depth and clarity. The KSA i400’s design allows it to handle the most dynamic and complex passages of your favorite recordings with ease, providing a listening experience that is both effortless and powerful.

Advanced iBias™ Technology

The KSA i400 features Krell’s patented iBias™ technology, which allows the amplifier to operate in Class A mode for most listening levels without the excessive heat generation or energy consumption typically associated with Class A designs. This technology ensures that the KSA i400 delivers the rich, full-bodied sound of Class A amplification while maintaining efficiency and reliability. The result is a sound that is warm, detailed, and true to the original recording, even at lower volumes.It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more. Or maybe you have a creative project to share with the world.

  • Power Output:

    • 400 Watts per Channel into 8 Ohms

    • 800 Watts per Channel into 4 Ohms

    Frequency Response:

    • 20 Hz to 20 kHz, ±0.1 dB

    • 10 Hz to 100 kHz, ±3 dB

    Total Harmonic Distortion (THD):

    • < 0.05% at 1 kHz, 400W, 8 Ohms

    Signal to Noise Ratio:

    • > 105 dB, A-weighted

    Gain:

    • 26.5 dB

    Input Impedance:

    • 100 kOhms (balanced XLR)

    • 50 kOhms (single-ended RCA)

    Output Impedance:

    • < 0.05 Ohms

    Damping Factor:

    • > 400 (20 Hz to 20 kHz)

    Inputs:

    • 1 x Balanced XLR

    • 1 x Single-ended RCA

    Speaker Outputs:

    • High-Quality Binding Posts for Speaker Connections

    Power Supply:

    • High-Current Toroidal Transformer

    • Massive Filter Capacitors for Unrestricted Power Delivery

    Power Consumption:

    • Idle: 100W

    • Maximum: 2000W

    Cooling System:

    • Convection Cooling with Advanced Heat Dissipation

    Dimensions (W x H x D):

    • 19 in (483 mm) x 7.5 in (190 mm) x 21 in (533 mm)

    Weight:

    • 100 lbs (45.4 kg)

    Finish:

    • Silver or Black Anodized Aluminum

    Certifications:

    • ROHS: Compliant

    • CE: Compliant

    • FCC: Compliant

Discover the Essence of Digital Precision

At Krell, we understand that true audiophiles and discerning music lovers seek more than just technology—they seek an experience. The Vanguard DAC delivers on this promise by providing a seamless blend of digital precision and immersive sound. Every detail in your digital music collection is brought to life with unparalleled clarity and depth, offering a listening experience that is as engaging as it is accurate.

Uncompromised Sound Quality & Design

Superior Build Quality & Design

Every aspect of the KSA i400 is meticulously crafted to meet the highest standards of quality and performance. From its robust chassis to its precision-engineered components, the KSA i400 is built to last and to perform at the highest levels. The amplifier’s sleek and elegant design is as much a statement piece as it is a functional component, making it a perfect fit for any high-end audio system.

Flexible Connectivity Options

The KSA i400 offers a range of connectivity options to integrate seamlessly into your existing audio system. It includes balanced XLR and single-ended RCA inputs, allowing for versatile connections with your preamplifier or other audio sources. The amplifier also features high-quality speaker terminals that ensure a secure and stable connection with your speakers.

Uncompromised Sound Quality

The KSA i400 is designed to bring out the best in your music, regardless of genre or format. Its high-current power supply and advanced circuitry ensure that the amplifier delivers pure, distortion-free sound across the entire frequency spectrum. Whether you’re listening to delicate classical music, powerful rock, or detailed jazz, the KSA i400 delivers a listening experience that is both immersive and accurate.

Designed for the Audiophile

The Krell KSA i400 is more than just an amplifier—it’s an invitation to experience your music in a way that is profoundly engaging and emotionally rewarding. For audiophiles who demand the best, the KSA i400 represents the pinnacle of audio amplification, offering a combination of power, precision, and musicality that is unmatched in the industry.

Experience the Krell Difference

With the KSA i400, Krell continues its tradition of delivering world-class audio components that push the boundaries of what’s possible in high-fidelity sound. Discover the power, precision, and purity of the Krell KSA i400, and elevate your listening experience to a new level of excellence.