ALCHIMIST AD4C-5500

Elevate Your Drive with Uncompromising Power & Precision

The Alchimist AD4C-5500 is a German-engineered 4-channel amplifier crafted for audiophiles who demand nothing less than perfection. Designed to seamlessly integrate into premium in-car audio systems, it delivers 5500W of raw, distortion-free power—transforming every journey into a concert-like experience.

Experience crystal-clear sound reproduction with advanced Class-D topology, ensuring minimal heat and maximum efficiency. Whether you're powering a full-range speaker setup or bridging channels for subwoofers, the AD4C-5500 adapts effortlessly to your system’s needs with flexible crossover controls and high/low-level inputs.

Built with military-grade components and precision tuning, this amplifier guarantees long-lasting performance and reliability—even under the most demanding conditions. Its sleek, compact design ensures easy installation without sacrificing power, while protection circuits safeguard against overheating, short circuits, and overloads.

For those who refuse to settle for ordinary sound, the Alchimist AD4C-5500 is the ultimate choice—where German engineering meets unparalleled audio excellence.

Alchimist AD4C-5500 – Precision Engineered 4-Channel Amplifier

Since 1943, Alchimist has defined the standard for premium German car audio engineering. The AD4C-5500 is a meticulously crafted 4-channel amplifier designed to elevate in-car audio systems with uncompromising power, clarity, and versatility. Whether driving a full-range speaker system or a high-performance subwoofer setup, this amplifier delivers the dynamic range and precision tuning required for an immersive listening experience.

Unmatched Power & Flexibility

The AD4C-5500 is engineered to provide stable, high-efficiency performance across a wide range of configurations. Its robust power output ensures seamless integration with both factory-installed and aftermarket audio systems, adapting to your exact requirements.

This versatile power delivery allows for multiple system configurations—from a full 4-speaker setup to a combination of front/rear speakers and subwoofers—without sacrificing performance.

Superior Audio Fidelity

Designed for audiophiles who demand pristine sound reproduction, the AD4C-5500 combines a Class D/AB hybrid architecture with advanced signal processing to minimize distortion and maximize clarity.

• Frequency Response: 10Hz – 30kHz (±1dB)
• Total Harmonic Distortion (THD): <0.1% @ rated power
• Signal-to-Noise Ratio (SNR): >90dB (A-weighted)

The result is a rich, detailed soundstage with exceptional dynamic range—faithfully reproducing every nuance of your music, from deep bass to crystalline highs.

Advanced Tuning & Control

The AD4C-5500 integrates built-in Digital Signal Processing (DSP) for precise audio calibration, allowing fine-tuned adjustments to match your vehicle’s acoustics and personal preferences.

• Adjustable Crossover: Variable high-pass/low-pass filters (50Hz – 5kHz, 12dB/octave)
• Gain Control: 0.2V – 8V input sensitivity for optimal signal matching
• Bass Boost: Selectable +6dB or +12dB at 45Hz

Whether upgrading a factory system or building a custom setup, these features ensure seamless integration and superior sound quality.

Robust Protection & Reliability

Engineered for long-term durability, the AD4C-5500 incorporates comprehensive protection circuits to safeguard against common electrical and thermal challenges in automotive environments.

• Thermal Protection: Automatic shutdown at excessive temperatures
• Short-Circuit Protection: Safeguards against wiring faults
• Overload Protection: Prevents damage from impedance mismatches
• DC Offset Protection: Ensures stable operation

A high-efficiency aluminum heat sink ensures optimal thermal management, even during extended high-power operation.

Seamless Connectivity

The AD4C-5500 is designed for effortless integration with a wide range of head units, including factory-installed systems.

• Low-Level Input: Gold-plated RCA jacks for pristine signal transfer
• High-Level Input: Speaker-level inputs for direct connection to OEM head units
• Input Sensitivity: 0.2V – 8V for compatibility with virtually any source

Premium Build & Installation

True to Alchimist’s heritage of German engineering, the AD4C-5500 combines performance with refined aesthetics.

• Compact Design: Slim, low-profile chassis for flexible installation in tight spaces
• Durable Construction: Heavy-duty aluminum housing with corrosion-resistant finish
• Sleek Aesthetics: Black anodized finish (Black Edition) with laser-etched branding

Every detail is optimized for both form and function, ensuring a seamless blend of performance and elegance.

Versatile Applications

The AD4C-5500 adapts to a variety of system configurations, making it the ideal choice for:

• Full 4-Speaker Systems: Front and rear channels for balanced soundstage
• 2-Channel + Subwoofer: Bridged mode for high-power subwoofer applications
• Factory System Upgrades: Direct integration with OEM head units via high-level inputs
• Custom Audio Builds: Flexible tuning options for audiophile-grade setups

Legacy of German Engineering

The Alchimist AD4C-5500 represents the pinnacle of automotive audio innovation—where precision engineering meets uncompromising performance. Designed, tested, and manufactured in Germany, it upholds the brand’s 80-year tradition of excellence, delivering power, clarity, and reliability for the most discerning listeners.