---
product_id: 396999271
title: "Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit"
brand: "kaish"
price: "KD 13.38"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/396999271-prewired-2-band-active-passive-eq-equalizer-electric-bass-preamp
store_origin: KW
region: Kuwait
---

# Compact Size: 20.2 x 7 x 3.5 cm Treble Boost: +/- 10dB Volume Control: B50K Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit

**Brand:** kaish
**Price:** KD 13.38
**Availability:** ✅ In Stock

## Summary

> 🎸 Unleash Your Bass Potential!

## Quick Answers

- **What is this?** Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit by kaish
- **How much does it cost?** KD 13.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/396999271-prewired-2-band-active-passive-eq-equalizer-electric-bass-preamp)

## Best For

- kaish enthusiasts

## Why This Product

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

## Key Features

- • **Tailored Tones:** Customize your sound with +/- 10dB adjustments for bass and treble.
- • **Elevate Your Sound:** Experience a high-quality bass preamp that transforms your tone.
- • **Lightweight Design:** Weighing only 80g, it’s perfect for on-the-go musicians.
- • **Precision Engineering:** Designed for seamless integration with your electric bass.
- • **Quality You Can Trust:** Crafted to outperform inferior circuits from cheap factories.

## Overview

The KAISH Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit is a high-quality, lightweight preamp designed for electric bass guitars. With precise volume and tone controls, it allows musicians to customize their sound effortlessly. Weighing just 80 grams and featuring a compact design, this preamp is perfect for both studio and live performances.

## Description

Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit

## Features

- Volume B50K; Pickup MN250K
- Bass: +/- 10dB 30Hz B50K; Treble: +/- 10dB at 6KHz B50K
- P1 should be wired with neck pickup positive; P2 should be wired with bridge pickup positive; GND should be wired with two pickups negative
- High quality bass preamp, not inferior bass Circuit made in cheap factories

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 80 g |
| Package Dimensions | 20.2 x 7 x 3.5 cm; 80 Grams |
| Item model number | K1148 |
| Size | Prewired 2 Band |

## Product Details

- **Brand:** KAISH
- **Item Weight:** 0.08 Kilograms
- **Audio Output Effects:** Equalization
- **Controls Type:** Knob
- **Hardware Interface:** 1/4-inch Audio

## Images

![Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit - Image 1](https://m.media-amazon.com/images/I/61bfK0sr6+L.jpg)
![Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit - Image 2](https://m.media-amazon.com/images/I/61BxqZqFi+L.jpg)
![Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit - Image 3](https://m.media-amazon.com/images/I/61NaWGpkoNL.jpg)
![Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit - Image 4](https://m.media-amazon.com/images/I/61CNyNNMldL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Is there a wiring diagram for active pickups?**
A: There is no wiring diagram.  It is pretty simple for active pickups or non-active.   There are 3 wires that attach to the "blend" pot for the pickups.  I call it "blend" because there are 5 pots, V, B, M, T, and the "blend".  V=volume, B=bass, M=middle, T=treble.  "Blend" would be tone, but T is already labeled.   Battery is there, and a input jack.  I had to cut and solder the battery connector because my bass has a special compartment for the battery.  You will need to solder the pickup wires, all 3.   The 3 wires to the "blend" pot are for 1) neck PU (P1) 2) bridge PU (P2) and 3) ground/common.  There is a bridge hardware ground (common) spare wire as well so you don't get shocked.  You can see that spare wire in one of the photos, its a bare wire with black insulation.

**Q: Can you hook this up to passive bass pickups as a powered boost?**
A: Yes, as my review said, when the pots for frequency adjustment are un the center position, it boosts the original volume of your pickup without coloring your tone

**Q: Thinking of installing this into my custom p bass. any recommendations ???**
A: Swap the separated bass/treble pots for a concentric 100k pot. Also, if your p bqss also has just 1 pickup, remove the balance knob and change the volume knob for a push/pull 500k... so you can change passive / active

**Q: Where do i connect the pickups?**
A: The blend pot has connections labeled "P1" and "P2" where you'll connect the pickups' hot wires. There's also a connection labeled "GND" where you'll connect both ground or negative connections.

## Frequently Bought Together

- KAISH Prewired 2 Band Active Passive EQ Equalizer Electric Bass Preamp Circuit
- KAISH 9V Battery Cover Battery Box Case Compartment for Active Guitar Bass

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**Shop now:** [https://www.desertcart.com.kw/products/396999271-prewired-2-band-active-passive-eq-equalizer-electric-bass-preamp](https://www.desertcart.com.kw/products/396999271-prewired-2-band-active-passive-eq-equalizer-electric-bass-preamp)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-12*