Denon DP-400 Semi-Automatic Analog Turntable Review

The Denon DP-400 is a semi-automatic analog turntable that features an automatic speed sensor, belt drive motor, and built-in preamp for the phono cartridge. The Denon DP-400 also has a USB port for direct connection to your computer or MP3 player. It’s easy to set up and use. Just plug it into any standard AC outlet and connect it to your stereo system using the included RCA cables. The Denon DP 400 will automatically detect the correct speed of your vinyl record and play at this speed.

The front panel has a “Speed” button that you can use to adjust the playback speed. The Denon DP -400 comes with a 1/4 inch (6.35 mm) moving magnet phono cartridge which will provide excellent sound quality. This cartridge was designed specifically for the Denon DP-400.

Denon DP-400 Semi-Automatic Analog Turntable Review

Denon DP-400 Semi-Automatic Analog Turntable with...
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Denon DP-400 Semi-Automatic Analog Turntable with...
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Denon DP-400 Features:

  • Semi-Automatic Speed Control
  • Built In Preamp For Phono Cartridge
  • Belt Drive Motor With Built In Speed Sensor
  • USB Port To Connect Computer Or MP3 Player Directly
  • 1/4 Inch Moving Magnet Cartridge
  • Easy Set Up And Use

How To Use Denon DP-400?

  • Connect the Denon DP-4000 to any standard wall outlet using the supplied power cord. Once you have heard the tone from the speaker, turn the volume control knob all the way down to the level where it is connected to your home stereo.
  • Plug the other end of the power cord into your stereo system. Once you hear the tone again, slowly turn the volume control knob.
  • When the tone has been heard once again, press the “Start” button on the front panel.
  • A green light will appear when the Denon DP-40 is ready to be used.
  • Press the “Stop” button to stop playing. If you want to change the speed setting, press the “Speed” button.
  • When you reach the speed you want, simply press the “Stop” button on the record player. The blue LED lights at the bottom of the record player will go out.
  • Once the record has been removed from the platter, remove the needle from its groove and carefully store the record.

What We Like

  • Great Sound Quality
  • Compact Design

What We Don’t Like

  • None

FAQs – Denon DP-400 Semi-Automatic Analog Turntable

What is the difference between the Denon DP-300 and DP-400?

The DP-300 uses a single speed motor while the DP-400 uses two motors, one for each side of the LP. The DP-400 has a built-in auto-detecting speed sensor. The DP-300 does not have this feature.

How do I know if my LP record is 45 RPM or 33 1/3 RPM?

Most LPs are recorded at 78 RPM. However, some records were recorded at either 45 RPM or 33 1⁄3 RPM. These records may appear as 45 RPM on most players but they should be played at 33 1⁄3 rpm.

Can I use my own phono cartridge with the Denon DP-1000?

Yes, but we recommend the Denon DP-1002 cartridge.

Will the Denon DP-3000 work with my iPod Touch?

No, the Denon DP-2000 works only with iPods.

Do I need to calibrate the Denon DP-5000?

No. The Denon DP 5000 is factory calibrated.


This Denon DP-400 offers outstanding performance at a reasonable price. It does not need calibration and has an auto-speed detection feature that makes it very convenient to use. It plays both 33 1/3 and 45 RPM records. The Denon DP 4000 has a built-in preamp, so you don’t need a separate amplifier to get high-quality sound. Anyone who is looking for a semi-automatic turntable at a good price will find this to be an excellent choice.

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