The unit is in very good condition, fully tested and all channels works as it should. It has numerous marks around the body as shown per photos. Comes with power supply and manual. 

Key Features of the TASCAM Portastudio 424:

1. Four-Track Recording:

   • Allows you to record up to four tracks simultaneously.

   • Each track can be recorded, played back, and edited independently.

2. Built-in Mixer:

   • Features a four-channel mixer with individual level controls for each track.

   • Includes pan controls to adjust the stereo positioning of each track.

3. Equalization:

   • Provides equalization (EQ) controls to adjust the tonal balance of each track.

   • Typically includes bass, mid, and treble controls.

4. dbx Noise Reduction:

   • Incorporates dbx Type I noise reduction to reduce hiss and improve overall sound quality.

5. Built-in Microphone:

   • Equipped with a built-in microphone for quick and easy recording.

   • Also supports external microphones and line-level sources.

6. Input and Output Connectivity:

   • Offers multiple input jacks for connecting microphones, instruments, and other audio sources.

   • Includes a stereo output for connecting to speakers, headphones, or other audio devices.

7. Built-in Effects:

   • Some models may include basic effects such as reverb or delay, though this can vary.

8. Editing Capabilities:

   • Allows for overdubbing, where you can record new parts over existing tracks.

   • Supports bouncing tracks to free up additional recording space.

9. Cassette Transport Controls:

   • Features standard transport controls (play, record, fast forward, rewind, stop).

   • Includes a tape counter for precise navigation.