Black Diamond 2x DIA-12D4 12″ Subwoofers + DIA-K1 600w Monoblock Amp

Black Diamond 2x DIA-12D4 12" Subwoofers + DIA-K1

Black Diamond 2x DIA-12D4 12″ Subwoofers + DIA-K1 600w Monoblock Amp


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This Black Diamond special combo includes a Black Diamond DIA-K1 600w monoblock amplifier powering 2 Black Diamond DIA-12D4 12″ Subwoofers to really shake up the neighborhood.

The Black Diamond DIA-12D4 12″ Subwoofer puts out all of the power you need and handles low frequencies like a sub twice the price. Black Diamond DIA-12D4 delivers impressive 500W Max Power with 250W RMS at Dual 4 Ohm, once you hear it you’ll finally realize what big, rich bass sounds like. Provides multiple options and flexibility to wire Parallel, Series, or Independent. DVC will make sure you get the most from your system. While typical subwoofers have a single voice coil, Black Diamond offers two. This ultra-reliable subwoofer has dual voice coils, paper dust cap, and foam edges all at an affordable price. What more can you ask for!

The Black Diamond DIA-K1 1800w monoblock amplifier is capable of 1800 Watts Max Power, You’ll have all the power you need while utilizing state-of-the-art technology that requires less energy. High-End Mini Digital Circuit Design Latest Low-Heat, Circuit with SMC Technology, Acrylic Window with Red LED Lighting, Adjustable Gain, Low-Pass, Bass Boost and Subsonic Filter. Black Diamond DIA-K1 amplifier comes with a remote bass knob included. Always have control over the bass levels depending on what genre music you’re listening to.

Total Watts (Peak): 1800W
RMS Power 4 ohm: 250W x 1
RMS Power 2 ohm: 400W x 1
RMS Power 1 ohm: 600W x 1
Frequency Response: 10Hz-500Khz
Signal to Noise Ratio: >93dB

Nominal Diameter: 12″
Nominal Impedance: 4+4 Ohms
RMS Power Handling: 250W
MAX Power Handling: 500W
Sensitivity: 90dB
Frequency Response: 41Hz-4.2KHz
Recommended Lo Pass Crossover: 80Hz

Voice Coil Diameter: 2″ (50.8mm)
Voice Coil Former Material: Aluminum
Winding Material: CCAW
Cone Material: Non-Pressed Paper
Dust Cap: Paper
Surround Material: Foam
Basket Material: Steel
Basket Color – Finish: Black
Magnet Material: Ferrite
Magnet Weight: 45 oz
Displacement Volume: 2.651L

Black Diamond DIA-12D4 TS PARAMETERS:
Equivalent Volume: 34.15L
Excursion: 13.5mm
Free Air Resonance: 41Hz
Mechanical Factor: 6.235
Electrical Factor: 0.925
Total Factor: 0.712
Moving Mass: 170.12g
Compliance: 0.051mm/N
Force Factor: 13.256
Voice Coil Inductance: 0.945mH
Diaphragm Area: 530.93cm2
Dc Resistance: 3.4+3.4 ohms
Efficiency Bandwidth Product: 44.3

Black Diamond DIA-12D4 MEASUREMENTS:
Overall Diameter: 12.44″ (316mm)
Overall Depth: 6.5″ (165mm)
Front Mount Baffle Cutout: 10.9″ (277mm)
Mounting Depth: 5.55″ (141mm)
Motor Diameter: 5.90″ (150mm)

We are proud to be an authorized Black Diamond dealer.

Additional information


Subwoofer Size

Subwoofer Impedance

Subwoofer RMS Rating

Voice Coil Diameter


Amplifier Input Gauge


Amplifier Type

RMS Rating

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