Black Diamond 15 Subwoofer 4 Ohm SVC with 2550W Monoblock Amplifier & — Big Jeff Audio Dealer Platform
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Black Diamond 15? Subwoofer 4 Ohm SVC with 2550W Monoblock Amplifier & Bass Knob

At 600 Watts Max Power and 300 Watts RMS, the DIA-15S will be able to manage anything you want to throw at it. The entire rubber edge is treated to add durability. Engineers designed this sub with non-fatiguing suspension to keep equipment safe and ensure your new subwoofer holds up over time. Settle for nothing but the best with Ferrite magnets that produces a wider range of tones and can handle tremendous power at high volumes. FS of 40 Hz so you can easily dip in the subsonic range with no issues along as your box is tuned correctly.

Capable of 2550 Watts Max with high efficiency, The DIA-2550.1D gives you the best of both worlds. You'll have all the power you need while utilizing state-of-the-art technology that requires less energy. Push an amazing amount of power to your system while only drawing minimal power from your vehicle's battery. This Black Diamond amplifier comes with a remote bass knob included. Always have control over the bass levels depending on what genre music you're listening to.

This listing includes:

- (1) Black Diamond 15? Subwoofer DIA-15S
- (1) Black Diamond Monoblock Amplifier DIA-2550.1D
- (1) Black Diamond Remote Bass Knob
- Includes mounting hardware and manuals.


- RMS Power Handling: 300 Watts
- MAX Power Handling: 600 Watts
- Nominal Impedance: 4 Ohms
- Sensitivity (1w/1m): 91 dB
- Frequency Response: 25Hz ~ 250KHz
- Recommended Lo Pass Crossover: 80Hz


- Voice Coil Diameter: 2? (50.8mm)
- Voice Coil Former Material: Aluminum
- Winding Material: SV
- Cone Material: Non-Pressed Paper
- Dust Cap Material: Paper
- Surround Material: Foam
- Basket Material: Steel
- Magnet Material: Ferrite
- Magnet Weight: 59 oz
- Displacement Volume: 2.9L


- Equivalent Volume: 125.1L
- Excursion: 15mm
- Free Air Resonance: 40Hz
- Mechanical Factor: 2.898
- Electrical Factor: .921
- Total Factor: 0.669
- Moving Mass: 126.664g
- Compliance: 0.126mm/N
- BL Factor: 11.2
- Voice Coil Inductance: 1.582mH
- Diaphragm Area: 834.69cm?
- DC Resistance: 3.7 Ohms
- Efficiency Bandwidth Product: 43.4


- Overall Diameter: 15.3"
- Overall Depth: 7.25"
- Front Mount Baffle Cutout: 13.7"
- Mounting Depth: 6.32"
- Motor Diameter: 6.1"



- Total Watts (Peak): 2550 Watts
- RMS Power 4 ohm: 350 Watts x 1
- RMS Power 2 ohm: 600 Watts x 1
- RMS Power 1 ohm: 900 Watts x 1


- Frequency Range: 20Hz ~ 500Hz
- Signal to Noise Ratio: >90dB
- Total Harmonic Distortion (THO): 0.3%
- Low Level input Range: 0.25 ~ 6V

Payment Information


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valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

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20% restocking fee.

If package is refused or marked undeliverable and returned
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full to have the package sent back to you or we can refund the money
minus the cost of shipping


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please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

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If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.