D1600.4 – 400w x 4 Full Range

Don’t be fooled by their cosmopolitan looks. The Digital Block Series Amplifiers provide Massive amounts of Power in a stylish and surprisingly small heat sink.  All of it’s features are mounted in a beautiful brushed aluminum “finless” heat sink with a ᆲ” milled top plate bolted down with “hex bolts”. The four cornered hex bolts unscrew to reveal mounting tubes (see attached pictures) that allows the installer to bolt down the amp for a razor clean installation. Top it off with a soft blue center logo glow with hundreds of “micro” LEDs. Massive Audio “D” Block Series combines “Style, Form, Function and Performance”.




  • Extreme power in a small footprint
  • MCU Power Management
  • High / Low Level Input Switch
  • Auto Turn-on/off Functions
  • Low distortion full band width for sound quality tuning
  • Advanced Full Range Digital design
  • Illuminated Logo on Heavy duty Aluminum Heat-Sink
  • Full Mosfet with high grade switching devices
  • Designed and Engineered in U.S.A.
  • Mil Spec double sided PCB with SMD parts
  • Built-in noise reduction circuitry
  • World Wide standard compliant (RoHS, E-mark, CEA-2006, CE)
  • Advanced 5 way protection


RMS @ 4 Ohm 300w x 4
RMS @ 2 Ohms 400w x 4
RMS @ 4 Ohm Bridged 800w x 2
Min Impedance 2 Ohm
THD at 4Ohm Load 30% Rated Power <.15%
S/N Ratio >70 dB*
Freq. Response 20Hz – 20KHz
Dimensions 2.1″ x 6.5″ x 12.1″


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