Arc Audio X2 2500.1 Mono Subwoofer Amplifier
The ARC Audio X2 2500.1 is a high-power Class-D mono amplifier rated at 2500W x1 @1Ω, 1500W x1 @2Ω, and 900W x1 @4Ω. Built for serious subwoofer systems, it combines efficient output, variable-speed fan cooling, balanced inputs, 24dB LR crossover, and full onboard protection in a low-profile chassis.
$1,350.00 $1,450.00
Arc Audio X2 2500.1 - 2500 Watt Mono Subwoofer Amplifier
The ARC Audio X2 2500.1 is the most powerful mono amplifier in the X2 lineup — built for serious bass enthusiasts who need massive, clean output from a single amplifier. Delivering up to 2500 watts at 1 ohm, the 2500.1 is designed to drive large subwoofer systems with authority, clarity, and total control.
Its frequency-limited output (10Hz–230Hz) is precision-engineered for subwoofers and midbass drivers, ensuring maximum low-frequency impact with tight, distortion-free performance. Whether you're building a high-output daily system or a demo-class install, the X2 2500.1 brings the kind of bass performance that turns heads and moves air — all from one amplifier.
Featuring ARC’s Level 2 cosmetic package, the amp includes a brushed silver hairline aluminum top cover, illuminated rotatable acrylic badge, and integrated front-panel diagnostic indicators. Inside, upgraded components and advanced supply filtering deliver clean, efficient power with long-term durability under extreme load conditions.
Balanced inputs provide seamless integration with factory systems and aftermarket head units alike, making the X2 2500.1 an easy fit for high-end custom builds or OEM-based upgrades.
If you're after big bass, clean power, and install-friendly design — the X2 2500.1 is your go-to solution.
Physical & Technical Specifications
| Total Amplified Output Channels | 1 |
| Stereo @ 4 Ohms | N/A |
| Stereo @ 2 Ohms | N/A |
| Stereo @ 1 Ohms | N/A |
| Bridgeable Speaker Outputs | N/A |
| Bridged @ 4 Ohms | N/A |
| Bridged @ 2 Ohms | N/A |
| Other Channels @ 4 Ohms | 1 x 900 Watts |
| Other Channels @ 2 Ohms | 1 x 1500 Watts |
| Other Channels @ 1 Ohms | 1 x 2500 Watts |
| Output Load Switch | N/A |
| Output Type | Class-D |
| Fuse Rating | 6 x 40 Amp |
| Idle Current | 2.8A |
| Amplifier Operating Voltage Range | 8V - 17.1V |
| Adjustable Class-D Switching Frequency | No |
| Built-in Fan Cooled | Yes - Variable Speed Ball Bearing Fan |
| Input Channels (Analog) | 2 |
| Input Channel Selection | 2 Channel |
| Input Channels (Analog Type) | Balanced (RCA or Speaker Level) |
| Input Sensitivity (Analog) | 200mV - 3.5V |
| Input Impedance (Analog) | 10k Ohms |
| Input Gain Type | Analog Control (1 control p/pair of channel L/R) |
| Amplifier Slave In/Out (RCA) | Yes |
| Frequency Response | 10Hz - 230Hz |
| S/N Ratio @ 1 Watt | TBD |
| S/N Ratio @ Full Power | TBD |
| Auto-Sense Turn-on | DC (BTL)/Signal (Ch1 Detect) |
| Crossover Type Ch 1/2 | LP Only (24dB Linkwitz-Riley) |
| Crossover Range Ch 1/2 | 30Hz - 230Hz |
| Crossover Type Ch 3/4 | N/A |
| Crossover Range Ch 3/4 | N/A |
| Crossover Type Ch 5/6 | N/A |
| Crossover Range Ch 5/6 | N/A |
| Bandpass Crossovers | N/A |
| Crossover/Front-end "Bypass" | N/A |
| Bass Boost | Variable 0-12dB @ 30Hz - 125Hz |
| Onboard Diagnostics | Yes - Protection: Thermal, Under/Over Voltage, Short, DC & More |
| Clip Warning Lights | N/A |
| Compatible External Level Control | Yes, Included |
| Dual External Control Use (Optional) | N/A |
| Remote Turn-on Pass Through | N/A |
| Cosmetic Trim Level | X2 Level 2 Trim |
| Dimensions | 21.25"(L) x 6.268"(W) x 2.162"(H) |
Arc Audio X2 2500.1 - 2500 Watt Mono Subwoofer Amplifier
The ARC Audio X2 2500.1 is the most powerful mono amplifier in the X2 lineup — built for serious bass enthusiasts who need massive, clean output from a single amplifier. Delivering up to 2500 watts at 1 ohm, the 2500.1 is designed to drive large subwoofer systems with authority, clarity, and total control.
Its frequency-limited output (10Hz–230Hz) is precision-engineered for subwoofers and midbass drivers, ensuring maximum low-frequency impact with tight, distortion-free performance. Whether you're building a high-output daily system or a demo-class install, the X2 2500.1 brings the kind of bass performance that turns heads and moves air — all from one amplifier.
Featuring ARC’s Level 2 cosmetic package, the amp includes a brushed silver hairline aluminum top cover, illuminated rotatable acrylic badge, and integrated front-panel diagnostic indicators. Inside, upgraded components and advanced supply filtering deliver clean, efficient power with long-term durability under extreme load conditions.
Balanced inputs provide seamless integration with factory systems and aftermarket head units alike, making the X2 2500.1 an easy fit for high-end custom builds or OEM-based upgrades.
If you're after big bass, clean power, and install-friendly design — the X2 2500.1 is your go-to solution.
Physical & Technical Specifications
| Total Amplified Output Channels | 1 |
| Stereo @ 4 Ohms | N/A |
| Stereo @ 2 Ohms | N/A |
| Stereo @ 1 Ohms | N/A |
| Bridgeable Speaker Outputs | N/A |
| Bridged @ 4 Ohms | N/A |
| Bridged @ 2 Ohms | N/A |
| Other Channels @ 4 Ohms | 1 x 900 Watts |
| Other Channels @ 2 Ohms | 1 x 1500 Watts |
| Other Channels @ 1 Ohms | 1 x 2500 Watts |
| Output Load Switch | N/A |
| Output Type | Class-D |
| Fuse Rating | 6 x 40 Amp |
| Idle Current | 2.8A |
| Amplifier Operating Voltage Range | 8V - 17.1V |
| Adjustable Class-D Switching Frequency | No |
| Built-in Fan Cooled | Yes - Variable Speed Ball Bearing Fan |
| Input Channels (Analog) | 2 |
| Input Channel Selection | 2 Channel |
| Input Channels (Analog Type) | Balanced (RCA or Speaker Level) |
| Input Sensitivity (Analog) | 200mV - 3.5V |
| Input Impedance (Analog) | 10k Ohms |
| Input Gain Type | Analog Control (1 control p/pair of channel L/R) |
| Amplifier Slave In/Out (RCA) | Yes |
| Frequency Response | 10Hz - 230Hz |
| S/N Ratio @ 1 Watt | TBD |
| S/N Ratio @ Full Power | TBD |
| Auto-Sense Turn-on | DC (BTL)/Signal (Ch1 Detect) |
| Crossover Type Ch 1/2 | LP Only (24dB Linkwitz-Riley) |
| Crossover Range Ch 1/2 | 30Hz - 230Hz |
| Crossover Type Ch 3/4 | N/A |
| Crossover Range Ch 3/4 | N/A |
| Crossover Type Ch 5/6 | N/A |
| Crossover Range Ch 5/6 | N/A |
| Bandpass Crossovers | N/A |
| Crossover/Front-end "Bypass" | N/A |
| Bass Boost | Variable 0-12dB @ 30Hz - 125Hz |
| Onboard Diagnostics | Yes - Protection: Thermal, Under/Over Voltage, Short, DC & More |
| Clip Warning Lights | N/A |
| Compatible External Level Control | Yes, Included |
| Dual External Control Use (Optional) | N/A |
| Remote Turn-on Pass Through | N/A |
| Cosmetic Trim Level | X2 Level 2 Trim |
| Dimensions | 21.25"(L) x 6.268"(W) x 2.162"(H) |