DD Audio 2500W RMS 1-Ohm Stable Class D Monoblock Car Amplifier M2500a

• 2500W RMS MONOBLOCK POWER: DD Audio M2500a Class D car amplifier delivers 2,500 watts continuous at 1 ohm, 1,500 watts at 2 ohms, and 1,000 watts at 4 ohms, with up to 4,000 watts dynamic power at 1 ohm.
• STRAPPABLE HALF-BRIDGE DESIGN: Optimized high-current power supply and ZVL module input support compatible linking and strapping configurations for advanced subwoofer systems. Optional ZVL module required.
• ADJUSTABLE 24DB CROSSOVERS: Variable 20 Hz–250 Hz subsonic filter and 50 Hz–500 Hz low-pass filter provide control over subwoofer frequency response, with adjustable 0.2V–8V input sensitivity.
• REMOTE BASS AND VOLTAGE MONITORING: Included remote subwoofer controller features adjustable bass level, charging system voltage display, and clipping indicator for convenient system monitoring.
• HEAVY-DUTY CONSTRUCTION AND PROTECTION: Features 0-gauge power terminals, 10-gauge speaker terminals, a 3 oz double-sided PCB, and five-way protection against electrical and thermal faults.

D Audio 2500W RMS 1-Ohm Stable Class D Monoblock Car Amplifier M2500a

This Listing Includes

• (1) DD Audio M2500a Class D Monoblock Amplifier


• (1) Remote Subwoofer Control w/ Cable

The DD Audio M2500a is a high-performance Class D monoblock amplifier engineered to deliver serious bass power in a compact, efficient design. Producing 2,500 watts of continuous power at 1 ohm, 1,500 watts at 2 ohms, and 1,000 watts at 4 ohms, this amplifier delivers the output needed to drive demanding subwoofer systems. Its optimized high-current power supply and half-bridge architecture provide powerful low-frequency performance for daily-driven systems and competition-inspired car audio builds.

Built for performance and flexibility, the M2500a features adjustable 24 dB/octave crossovers, including a variable subsonic filter and low-pass filter, allowing you to fine-tune your subwoofer's response. The amplifier also includes a ZVL input for connecting compatible ZVL modules, providing expanded options for linking and strapping multiple amplifiers. An adjustable input sensitivity range from 0.2V to 8V accommodates a variety of aftermarket head units and audio processors.

The M2500a is designed for demanding installations with 0-gauge power terminals, 10-gauge speaker terminals, and a heavy-duty 3 oz double-sided PCB. Its included remote subwoofer control provides convenient bass level adjustment, a voltage display, and a clipping indicator to help monitor system operation. With five-way protection against speaker shorts, thermal overload, high and low voltage, and DC offset, the M2500a combines powerful output, installation flexibility, and essential system protection.

Features

• 2,500W RMS at 1 Ohm: Delivers powerful continuous output for high-performance subwoofer systems.


• 4,000W Dynamic Power: Capable of delivering up to 4,000 watts of dynamic power at 1 ohm.


• Class D Monoblock Design: High-current, single-channel amplifier engineered for low-frequency reproduction.


• 1-Ohm Stable Operation: Supports demanding low-impedance subwoofer configurations.


• Strappable Half-Bridge Architecture: Supports compatible multi-amplifier configurations using an optional ZVL module.


• Optimized High-Current Power Supply: Engineered for powerful, efficient subwoofer performance.


• Variable 24 dB/Octave Crossovers: Adjustable filters help fine-tune bass reproduction.


• Adjustable Subsonic Filter: 20 Hz–250 Hz range helps control unwanted low-frequency output.


• Adjustable Low-Pass Filter: 50 Hz–500 Hz range allows precise subwoofer crossover adjustment.


• Remote Subwoofer Control: Includes bass level adjustment, voltage monitoring, and clipping indication.


• ZVL Module Input: Supports compatible ZVL linking and amplifier strapping configurations.


• 0-Gauge Power Terminals: Accommodates heavy-duty power and ground connections.


• Heavy-Duty PCB: 3 oz double-sided circuit board construction.


• Five-Way Protection: Protects against speaker shorts, thermal overload, high voltage, low voltage, and DC offset.


• Custom Vanity Plate Ready: Compatible with optional decorative amplifier vanity plates.

Specifications:

• Brand: DD Audio


• Series: M Series


• Model: M2500a


• SKU: DD-M2500a


• Product Type: Car Audio Subwoofer Amplifier


• Amplifier Class: Class D


• Amplifier Configuration: Monoblock


• Number of Channels: 1


• Continuous Power at 4 Ohms: 1,000 Watts


• Continuous Power at 2 Ohms: 1,500 Watts


• Continuous Power at 1 Ohm: 2,500 Watts


• Dynamic Power at 1 Ohm: 4,000 Watts


• Minimum Rated Impedance: 1 Ohm


• Operating Voltage: 9V–16V DC


• Test Voltage: 14.4V


• Maximum Current Draw: 400 Amps


• Frequency Response: 20 Hz–500 Hz


• Signal-to-Noise Ratio: Greater Than 97 dB


• Damping Factor: Greater Than 400


• Input Voltage Sensitivity: 0.2V–8V


• Subsonic Filter: 20 Hz–250 Hz


• Low-Pass Filter: 50 Hz–500 Hz


• Crossover Slope: 24 dB/Octave


• RCA Inputs: Yes


• ZVL Input: Yes


• Remote Subwoofer Control: Yes


• Remote Voltage Display: Yes


• Remote Clipping Indicator: Yes


• Power Wire Terminal Size: 1 x 0 Gauge


• Speaker Wire Terminal Size: 10 Gauge


• PCB Construction: 3 oz Heavy-Duty Double-Sided


• Amplifier Strapping: Supported with Optional ZVL Module


• Custom Vanity Plate Compatible: Yes


• Protection Circuitry: Speaker Short, Thermal Overload, High Voltage, Low Voltage, DC Offset

Dimensions:

• Length: 12.3" (313.2 mm)


• Width: 9" (230 mm)


• Height: 3" (74 mm)

Important Installation Note: This amplifier requires an electrical system capable of supporting its power demand. DD Audio recommends proper power wiring, secure grounding, adequate ventilation, and verification that the vehicle's charging system can support the amplifier. For multi-amplifier configurations, use the appropriate compatible ZVL module and follow the manufacturer's installation instructions.

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
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International Payment Methods

• Bancontact
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Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
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• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

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