Soundstream AR1-2500D Arachnid Series 2500-Watt Monoblock Class D Amplifier – 1 Ohm Stable, Bridgeable, High-Efficiency Audio Power

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Arachnid Series Subwoofer Amplifier - Strap Bridge-Mode Ready (Master/Slave)
Max Power 2,500 Watts
RMS Power @ 4Ω 500W x 1
RMS Power @ 2Ω 850W x 1
RMS Power @ 1Ω 1,250W x 1

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The Soundstream AR1-2500D is the next step in performance and value within the Arachnid Amplifier Series. These amplifiers are engineered to deliver exceptional power, unmatched reliability, and longevity, continuing the legacy of Soundstream's reputation for quality and performance.

By utilizing the most efficient Class D technology combined with traditional Class A/B full-range amplification platforms, the AR1-2500D is designed to provide powerful output while maintaining high-efficiency levels. This allows you to push your audio system to higher volumes without sacrificing sound quality. Whether you are looking to power your subwoofers or drive your speakers to their fullest potential, this amplifier delivers more power than most vehicle’s standard systems can offer.

The Soundstream AR1-2500D is 1 Ohm stable, meaning it can safely operate at low impedance levels, providing flexibility and reliability when driving powerful subwoofers. You can also strap two monoblock amplifiers together in Bridge-Mode to double the power, giving you even more output for your system. This provides additional headroom and clarity, especially when pushing your audio system to its limits.

Key Features:

  • 2500 Watts Max Power: Robust enough to power multiple subwoofers or high-performance speakers.
  • 1 Ohm Stable: Stable operation at low impedance allows you to push the limits of your audio system.
  • Efficient Class D Technology: Delivers high power with minimal heat and energy loss.
  • Bridgeable Monoblock: Strap two amplifiers together for double the power output in Bridge-Mode.
  • Compact and Reliable: Built to last with a durable, efficient design that’s perfect for long-lasting performance in any vehicle.
  • Low Tolerance Components: High power capability and maximum efficiency ensure stability and longevity in extreme conditions.
  • Powerful Output: Capable of pushing your system to high volumes and precision that traditional amplifiers can’t match.


This amplifier is perfect for enthusiasts who demand high-quality performance and are ready to experience deeper bass and clearer sound with higher efficiency. Whether you’re installing this in your car, boat, or motorcycle, the Soundstream AR1-2500D will bring your system to life, pushing it beyond the limits of what a factory system can provide.

Don't let its size fool you—this compact unit is capable of powering your system with 2500 watts of peak power, driving both your speakers and subwoofers for a full, dynamic sound experience.



Remote Gain ControlIncluded
SPECIFICATIONS AR1.2500D
Max Power 2,500 Watts
RMS Power @ 4Ω 500W x 1
RMS Power @ 2Ω 850W x 1
RMS Power @ 1Ω 1,250W x 1
Low Pass Filter 40Hz-180Hz
High Pass Filter N/A
Bass Boost 0-13dB
Bass Boost Frequency 30-80Hz
Subsonic Filter 10Hz - 50Hz
Frequency Response 20Hz -190Hz
S/N 96dB
Input Sensitivity 0.2-6V
THD <1%
Operation Voltage 9-16V
Fuse Rating N/A
Dimensions (8.50"W x 2"H) 12.75"