# Phono Turntable Preamp, Mini Electronic Audio Stereo Phonograph Preamplifier，Separate DC 12V Power Adapter, RCA Input, RCA Output & Low Noise,Portable-Depusheng PP400, Black — resale value

Source: JunkPal price guide — https://junkpal.ai/products/phono-turntable-preamp-mini-electronic-audio-stereo-phonograph-preampl-b07ppf3xwh

**Phono Turntable Preamp, Mini Electronic Audio Stereo Phonograph Preamplifier，Separate DC 12V Power Adapter, RCA Input, RCA Output & Low Noise,Portable-Depusheng PP400, Black** sells for about **$9** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/phono-turntable-preamp-mini-electronic-audio-stereo-phonograph-preampl-b07ppf3xwh

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $9 |

Values are medians of real closed eBay sales, updated 2026-07-23. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DDepusheng%2520PP400%2520phono%2520preamp%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DDepusheng%2520PP400%2520phono%2520preamp%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| Brand | Depusheng |
| Category | Electronics |

## About

The Depusheng PP400 is a mini electronic audio stereo phonograph preamplifier designed for turntables. It features RCA input and output jacks and includes a separate DC 12V power adapter.

This unit is ideal for audiophiles, collectors, or anyone looking to upgrade their analog audio setup with a low-noise preamp.

Resale value is influenced by the unit's physical condition, the completeness of the package (including the power adapter), and its original edition status.

## FAQ

**What is the Depusheng PP400 used for?**

It functions as a mini electronic audio stereo phonograph preamplifier, connecting your turntable to other audio equipment.

**What factors affect the resale value of this preamp?**

The condition of the unit, whether all original parts are present, and the specific edition are key drivers of its value.

**Does the PP400 come with a power supply?**

Yes, the Depusheng PP400 includes a separate DC 12V power adapter.

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Full price guide: https://junkpal.ai/products/phono-turntable-preamp-mini-electronic-audio-stereo-phonograph-preampl-b07ppf3xwh
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-23, based on real sold listings (junkpal.ai)"