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Compact silver car amplifier with four channels and 1200 watt max power rating

Planet Audio

Planet Audio MB300.4D 1200W 4-Channel Amplifier

SKU CH-TDX3-0X9MM

Four-channel digital amplifier delivering up to 1200 watts maximum power

  • Product typeOthers
  • 1200 W max output drives four speakers
  • 300 W max per channel powers each channel
  • Mini Bang series keeps footprint compact
  • Four-channel digital design simplifies system wiring

Compact four-channel amplifier

The Planet Audio MB300.4D is a new Mini Bang Series amplifier built for car-audio systems that need four channels of power in a small chassis. It delivers a maximum output of 1200 watts across all channels, making it suitable for driving component speakers or a pair of subwoofers in a space-constrained installation.

Replaces bulky multi-channel amps

Installers upgrading from larger four-channel units will appreciate the reduced footprint without sacrificing the 300.4 model designation and 1200-watt peak capability. The jump is worth it when rack space is limited but full-range power for front and rear speakers is still required.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $99.99
Pricier than about 74% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand namePlanet Audio
Model nameMB300.4D
Product typeOthers

Questions about this item

What size power and ground cables fit the Planet Audio MB300.4D amplifier?

The Mini Bang MB300.4D uses standard car-audio power and ground terminals that accept 8 AWG to 4 AWG cable; strip the insulation, insert fully, and tighten the set screws securely.

Which step do installers most often miss when wiring the four-channel MB300.4D?

After connecting the speaker leads, many forget to set the built-in crossover switches to match each channel's frequency range before powering up the 1200 W max amplifier.

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