Arachnid Series Amplifiers

Arachnid Amplifiers are the next step in performance and value. Taking advantage of our tried and true Class A/B Full Range and Improved Efficient Class-D Monoblock available platforms.Arachnid Series continues down the road of reliability and longevity you expect from us. Boosting a small electrical audio signal to a much higher voltage capable of driving speakers and subwoofers. Most vehicle’s standard systems can’t offer this high-power output that pushes your audio system to high volumes and precision like the Arachnid Series Amplifiers can.

AR1-2500D | Arachnid Series 2,500W Monoblock Class D Car Stereo Amplifier

LEGACY

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

AR1-4500D | Arachnid Series 4,500W Monoblock Class D Car Stereo Amplifier

LEGACY

Arachnid Series Subwoofer Amplifier - Strap Bridge-Mode Ready (Master/Slave) Max Power 4,500 Watts RMS Power @ 4Ω 900W x 1 RMS Power @ 2Ω 1,500W x 1 RMS Power @ 1Ω 2,200W x 1

AR1-8000D | Arachnid Series 8,000W Monoblock Class D Car Stereo Amplifier

LEGACY

Arachnid Series Subwoofer Amplifier - Strap Bridge-Mode Ready (Master/Slave) Max Power 8,000 Watts RMS Power @ 4Ω 1,500W x 1 RMS Power @ 2Ω 2,500W x 1 RMS Power @ 1Ω 4,000W x 1

AR4-1200 | Arachnid Series 1,200W Class A/B Full Range Amplifier

LEGACY

Arachnid Series Class A/B Full Range Amplifier Max Power 1,200 Watts RMS Power @ 4Ω 120W x 4 RMS Power @ 2Ω 150W x 4 RMS Bridged @ 4Ω 300W x 2

AR4-1800 | Arachnid Series 1,800W Class A/B Full Range Amplifier

LEGACY

Arachnid Series Class A/B Full Range Amplifier Max Power 1,800 Watts RMS Power @ 4Ω 180W x 4 RMS Power @ 2Ω 225W x 4 RMS Bridged @ 4Ω 450W x 2

AR2-1000D | Arachnid Series 1,000W 2 Channel Class A/B Car Stereo Amplifier

$56.99

Arachnid Series 2 Channel Class A/B Car Stereo Amplifier Max Power 1,000 Watts RMS Power @ 4Ω 90W x 2 RMS Power @ 2Ω 150W x 2 RMS Power @ 4Ω Bridged 300W x 1

AR4-2000D | Arachnid Series 2,000W 4 Channel Class A/B Car Stereo Amplifier

$69.99

Arachnid Series 4 Channel Class A/B Car Stereo Amplifier Max Power 2,000 Watts RMS Power @ 4Ω 90W x 4 RMS Power @ 2Ω 150W x 4 RMS Power @ 4Ω Bridged 300W x 2

AR1-3000D | Arachnid Series 3,000W Monoblock Class D Car Stereo Amplifier

$104.99

Arachnid Series Monoblock Class D Car Stereo Amplifier Max Power 3,000 Watts RMS Power @ 4Ω 350W x 1 RMS Power @ 2Ω 600W x 1 RMS Power @ 1Ω 1,000W x 1

AR1-5000D | Arachnid Series 5,000W Monoblock Class D Car Stereo Amplifier

$124.99

Arachnid Series Monoblock Class D Car Stereo Amplifier Max Power 5,000 Watts RMS Power @ 4Ω 500W x 1 RMS Power @ 2Ω 900W x 1 RMS Power @ 1Ω 1,500W x 1 (1Ω)

AR1-7500D | Arachnid Series 7,500W Monoblock Class D Car Stereo Amplifier

$149.99

Arachnid Series Monoblock Class D Car Stereo Amplifier Max Power 7,500 Watts RMS Power @ 4Ω 750W x 1 RMS Power @ 2Ω 1,300W x 1 RMS Power @ 1Ω 2,300W x 1 (1Ω)

Arachnid Series Car Amplifiers by Soundstream

Built for Power. Tuned for Precision. Engineered to Dominate.

The Soundstream Arachnid Series isn't just about loud sound—it's about clean, controlled, and competition-level power. Whether upgrading your factory system or building a fully custom setup, the Arachnid lineup brings unmatched versatility, innovation, and brute force to your ride.

Each Arachnid amplifier is designed with a Class D monoblock or Class A/B full-range topology, ensuring high power with minimal distortion. From the AR1.2500D to the beastly AR1.8000D, this lineup effortlessly handles subwoofers, midrange, and high-frequency drivers, making it the go-to choice for competition car audio and daily drivers alike.

Why Choose the Soundstream Arachnid Series?

01: Unrivaled Output, Model After Model

The Arachnid amplifier series features multiple power stages to suit every build:

AR1.2500D – Perfect for mid-level bass setups.
AR1.4500D – Ideal for heavy subwoofer loads in competition or street.
AR1.8000D – The monster of the series, pushing 8000 watts max output.
AR4.1200 / AR4.1800 / AR4.2000 – Full-range 4-channel amplifiers for seamless integration with components, coaxials, and mids.

Whether you're running a Soundstream monoblock amplifier or bridging channels, the Arachnid line offers power flexibility.

02: High Efficiency. Low Heat. Full Control.

Equipped with MOSFET power supplies, twin-layer PCB layouts, and cooling fans, the Arachnid amplifiers are made for long sessions at high volumes. The bass boost, subsonic filters, and variable low-pass crossover features ensure clean bass response and tight sound control, even under extreme loads.

03: Bridge-Mode & Strap Capable for Custom Setups

The Arachnid Series offers strap/bridge mode options, letting users link two amplifiers together for insane power delivery. Whether it's a mono 8000W configuration or a dual mono block setup, these amps are engineered to handle the pressure without breaking a sweat.

Amp Models That Raise the Bar

Model	Channels	Max Power	Use Case
AR1.2500D	Mono	2,500W	Mid-level sub builds
AR1.4500D	Mono	4,500W	Street bass setups
AR1.8000D	Mono	8,000W	SPL & competition use
AR4.1200	4-Channel	1,200W	Mids & highs
AR4.1800	4-Channel	1,800W	Full-range setups
AR4.2000	4-Channel	2,000W	Coaxials and tweeter-heavy systems

These arachnid car amplifiers don't just meet expectations—they push the limits of what car audio can do.

For Power That Feels Alive

The Soundstream Arachnid Series offers something few amps in its class can—raw muscle with fine-tuned sound shaping, all packed in a rugged, compact chassis. Whether you're into high-wattage SPL builds or simply want an amp that can grow with your system, Arachnid delivers more than just loud—it delivers legendary.

FAQs – Everything You Need to Know

What makes the Soundstream Arachnid Series different from other amps?

The Arachnid series combines competition-grade wattage, thermal protection, and bridge/strap capability, making it perfect for enthusiasts and professionals looking for reliable and high-output amplifiers.

Can I use the AR1.8000D in an SPL build?

Absolutely. The AR1.8000D is designed for high SPL environments and is widely used in competition car audio for its raw power and thermal stability.

Are these amplifiers Class D or Class A/B?

The monoblock amps like AR1.8000D are Class D, while 4-channel models like AR4.2000 are Class A/B full-range.

Can I bridge the AR4 series?

Yes! The AR4.1800 and AR4.2000 are fully bridgeable and perfect for pushing more power into fewer speakers.

Are the Arachnid amps compatible with marine audio setups?

While not specifically marine-rated, many users have successfully installed Soundstream Arachnid amplifiers in custom marine enclosures.