---
product_id: 577103981
title: "No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine"
brand: "ong"
price: "133425₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/577103981-no-power-supply-attenuated-passive-tuning-3-way-adjustment-type
store_origin: VN
region: Vietnam
---

# Zero power consumption, pure passive design Compact & durable high-quality build 3-way precise volume & tone control No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine

**Brand:** ong
**Price:** 133425₫
**Availability:** ❌ Out of Stock

## Summary

> 🎛️ Tune like a pro, power-free and flawless.

## Quick Answers

- **What is this?** No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine by ong
- **How much does it cost?** 133425₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/577103981-no-power-supply-attenuated-passive-tuning-3-way-adjustment-type)

## Best For

- ong enthusiasts

## Why This Product

- Trusted ong brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Durability:** Crafted with top-tier electronic components and precision engineering for long-lasting reliability.
- • **Compact & Lightweight:** Sleek 4.5 x 7.6 cm footprint and featherlight 33.9g design fits seamlessly into any setup.
- • **Power-Free Performance:** Enjoy pure analog tone shaping with zero power draw—no heat, no noise, just pristine audio.
- • **Preserves Original Timbre:** Enhance your effect board or high-end stone machine without compromising the authentic sound quality.
- • **Effortless 3-Way Adjustment:** Fine-tune treble, bass, and total volume with surgical precision for your perfect soundscape.

## Overview

This passive volume control board offers three-way adjustment for treble, bass, and total volume without requiring any power supply. Designed with high-quality components, it ensures durability and preserves the original tone quality, making it ideal for effect boards and high-end stone machines seeking precise, heat-free audio tuning.

## Description

Features:  Three way adjustment type: (treble + bass + total volume) Adopted of high quality electronic components, and precision process, ensure for the durability No power supply, the heating stage front stage tuning board Tone board can adjust the total volume, high voice, low voice, suitable for effect board and high-end stone machine with attenuated passive tone board Only change treble and bass, without affecting the original tone quality timbre    Specification:  Channel type: dual channel  Adjustment type: three-way (high + low + total volume)  Volume control: total volume control  High pitch adjustment: 10KHz (plus or minus 10db)  Residual noise: <0.1mVac  Input resistance: 100kΩ  The output resistance: 600Ω  Audio input: 301-3P terminal  Audio output: 301-3P terminal  Phi with respect to installation size: 76mm (2*Dia.3mm)  Weight: Approx.32g/1.1oz    Package list:  1 x Passive volume control board

## Features

- Adopted of high quality electronic components, and precision process, ensure for the durability
- Tone board can adjust the total volume, high voice, low voice, suitable for effect board and high-end stone machine with attenuated passive tone board
- Only change treble and bass, without affecting the original tone quality timbre
- No power supply, the heating stage front stage tuning board
- Three way adjustment type: (treble + bass + total volume)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Ong |
| Part Number | Ongg3av9o6i4q2348 |
| Product Dimensions | 4.5 x 7.6 x 1.5 cm; 33.88 g |
| Manufacturer reference | Ongg3av9o6i4q2348 |
| Finish | Finish |
| Material | PE_(Polyethylene), Material |
| Power Source | PowerSource |
| Installation method | InstallationMethod |
| Item Package Quantity | 1 |
| Spout height | 1 Centimetres |
| Handle material | default |
| Accessory connection type | default |
| Included Components | inc |
| Item Weight | 33.9 g |

## Images

![No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine - Image 1](https://m.media-amazon.com/images/I/71neVLX1C6S.jpg)
![No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine - Image 2](https://m.media-amazon.com/images/I/613lavDz9dL.jpg)
![No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine - Image 3](https://m.media-amazon.com/images/I/71MeOOAQ9wS.jpg)
![No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine - Image 4](https://m.media-amazon.com/images/I/71s1hTMt+xS.jpg)
![No Power Supply Attenuated Passive Tuning, 3 Way Adjustment Type Passive Volume Control Board, for Effect Board High-End Stone Machine - Image 5](https://m.media-amazon.com/images/I/71BTBmeC5NS.jpg)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-11*