---
title: "PZ-C31S - Reviews, Revenue and Downloads in South Korea | Apple App Store"
description: "This product is non-destructive audio car modification of new products,exclusive use of 6-core 32-bit DSP processing Chip,nanosecond processing speed; DRC dynamic music processing; using DSP computer "
---

# PZ-C31S — South Korea

![PZ-C31S App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/d4/b9/ec/d4b9ecaf-7e4d-7eee-06fc-a03a146b8550/AppIcon-0-0-1x_U007ephone-0-11-0-0-85-220.png/434x0w.png)

**Developer:** [huizhou shangshui technologyltd](https://apptail.io/developer/huizhou-shangshui-technologyltd-juql)
**Category:** Utilities
**Rating:** 2.5/5 (4 ratings)
**Price:** Free
**Bundle ID:** com.puzu.c31s
**Store:** Apple App Store
**Country:** South Korea
**Version:** 1.0.5 (released 2026-05-29)
**Original Release:** 2025-02-20
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/kr/app/app/id6741699898)
**AppTail Page:** [https://apptail.io/app/pz-c31s-aFaw/south-korea](https://apptail.io/app/pz-c31s-aFaw/south-korea)

## PZ-C31S Description
This product is non-destructive audio car modification of new products,exclusive use of 6-core 32-bit DSP processing Chip,nanosecond processing speed; DRC dynamic music processing; using DSP computer tuning technology. Possess a large-capacity filter capacitor. Lossless installation,easy tuning,take up a small space.
Maximum power output 6×150 W; Large-capacity filter capacitor; 4CH high level/low level  input and 6CH high level output 6X150W/8CH RCA output
Support remote controller(optional)/Wire harness for over 300 different cars. Support Bluetooth play. USB play lossless music. Pair your smartphone with the DSP box and tailor the sound to your personal preference.
Frequency response:20Hz-20KHz. Crossover with Variable Frequency (6/12/18/24/36/48 dB oct). Adjustable sound field delay to achieve spatial editing.
All eight channels with 31 Band floating piont tuning/seperate time. Built-in 31-segment adjustable EQ—31 band EQ floating-point high precision tuning system Visually adjust the Frequency, Gain, and Q value of each channel.
noise gate control
Built in ADEP (Advanced Diagnostics Error Protection),
APP inside music play (New function,you can play your phone music inside sound tuning app directly)
Augmented Bass control，you can control subwoofer volume without use wired remote.Please make sure subwoofer channel set properly.

## PZ-C31S Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/45/70/ea/4570eadf-563a-91ea-253e-178e3933c9f3/Simulator_Screenshot_-_6.7_U5bf8_iPhone_-_2025-02-18_at_10.17.44.png/1290x2796.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/90/1a/bd/901abd66-d64d-c0ac-b65d-54b5d6ed2dc4/Simulator_Screenshot_-_6.7_U5bf8_iPhone_-_2025-02-18_at_09.56.05.png/1290x2796.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a0/27/ed/a027ed3f-707d-b357-f36f-83e3b35beb53/Simulator_Screenshot_-_6.7_U5bf8_iPhone_-_2025-02-18_at_09.55.11.png/1290x2796.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/03/37/c7/0337c714-5b74-6090-4b8f-5e8a259e21f3/Simulator_Screenshot_-_6.7_U5bf8_iPhone_-_2025-02-18_at_09.55.15.png/1290x2796.png)

## PZ-C31S Rating Breakdown in South Korea
- 5 stars: 0 (0%)
- 4 stars: 1 (25%)
- 3 stars: 0 (0%)
- 2 stars: 3 (75%)
- 1 stars: 0 (0%)






## PZ-C31S Available In
- [South Korea](https://apptail.io/app/pz-c31s-aFaw/south-korea)
- [France](https://apptail.io/app/pz-c31s-aFaw/france)
- [United States](https://apptail.io/app/pz-c31s-aFaw/united-states)
- [Indonesia](https://apptail.io/app/pz-c31s-aFaw/indonesia)
- [Lebanon](https://apptail.io/app/pz-c31s-aFaw/lebanon)
- [Mexico](https://apptail.io/app/pz-c31s-aFaw/mexico)
- [Peru](https://apptail.io/app/pz-c31s-aFaw/peru)
- [Argentina](https://apptail.io/app/pz-c31s-aFaw/argentina)
- [Vietnam](https://apptail.io/app/pz-c31s-aFaw/vietnam)
- [Australia](https://apptail.io/app/pz-c31s-aFaw/australia)
- [Belgium](https://apptail.io/app/pz-c31s-aFaw/belgium)

---

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