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Diamond Audio D1 400.1 (D1400.1)

400W Max, D1 Series Monoblock Amplifier

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The product on this page is discontinued.
General Features:
  • D1 Series Monoblock Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 200 watts x 1 chan.
    • 2 ohms: 400 watts x 1 chan.
  • Max power output: 400 watts
  • MOSFET power supply
  • Bass Remote Details (Wired remote bass level control included)
  • LED power and protect indicators
  • Bass Boost/EQ (0-6 dB bass boost at 50 Hz)
  • Mono channel operation
  • RCA Pass through for connecting multiple amplifiers
  • Speaker-level inputs with signal sensing for automatic turn-on
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Polycarbonate end plates
  • Satin Black finish
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation (20% more aluminum than previous models)
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Variable low-pass filter (40-250 Hz, 12 dB/octave)
  • Frequency response: 20-20,000 Hz
  • Dimensions: 13-1/2"L x 8-1/2"W x 2-1/4"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms200 watts x 1 channel
RMS Power @ 2 ohms400 watts x 1 channel
RMS Power @ 1 ohmN/A
Bridged RMS PowerN/A
Peak Power Output400 watts x 1 channel
Amplifier Specifications
Amplifier ClassAB
Number of Channels1 - Mono
Total Peak Power Output400 watts
Total RMS Power Output400 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance BridgedN/A
THD at Rated RMS Power0.2%
Speaker Level InputsYes
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-Pass Crossover FrequencyN/A
Low-Pass Crossover Frequency40 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio90 dB
Channel Separation50 dB
Bass Boost0 - 6 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating15A x 3 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
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12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction		$19.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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16.4 ft. of 2-Channel Monster Cable with XLN (Xtra Low Noise) construction, 6-cut turbine MirrorChrome connectors, and 2-way time correct windings for the ultimate RCA cable!		$45.00
Capacitors
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Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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AutoSound 2000 CD-104AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components		$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.		$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.		$12.99

Product Summary

Manufacturer: Diamond Audio
Model number: D1400.1
UPC: 660715201101
Weight: 10.00 lbs
Internal SKU: d14001
Internal product ID: 18627

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I ordered my MTX amp at an incredible price and had it in hand three days later. This is the only online business that has concerned itself with my satisfaction. I am ready to order a set of speakers from sonicElectronix. Thank you folks.

- Ruben from Tucson, AZ

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