---
product_id: 509928375
title: "Subwoofer Preamp Board, Single Supply Low Pass Filter Board 22Hz-300Hz Interference LED Indicators for Industry"
brand: "sleet"
price: "173 DH"
currency: MAD
in_stock: true
reviews_count: 1
category: "Sleet"
url: https://www.desertcart.ma/products/509928375-subwoofer-preamp-board-single-supply-low-pass-filter-board-22hz
store_origin: MA
region: Morocco
---

# Real-time LED power & interference indicators 22Hz-300Hz precision low pass filter Fully sealed potentiometer & brass terminals Subwoofer Preamp Board, Single Supply Low Pass Filter Board 22Hz-300Hz Interference LED Indicators for Industry

**Brand:** sleet
**Price:** 173 DH
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your bass game with precision and power — don’t let your setup fall behind!

## Quick Answers

- **What is this?** Subwoofer Preamp Board, Single Supply Low Pass Filter Board 22Hz-300Hz Interference LED Indicators for Industry by sleet
- **How much does it cost?** 173 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/509928375-subwoofer-preamp-board-single-supply-low-pass-filter-board-22hz)

## Best For

- sleet enthusiasts

## Why This Product

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

## Key Features

- • **Instant Power Insight:** LED indicators provide real-time monitoring of power status and interference, keeping you in the know.
- • **Crystal-Clear Bass Control:** Experience ultra-low noise with a 22Hz-300Hz low pass filter for pristine subwoofer output.
- • **Built to Last & Easy to Wire:** Durable sealed potentiometer and premium brass terminals make installation seamless and reliable.
- • **Customizable Sound Playability:** Swap op amps effortlessly to tailor your audio experience and elevate your sound game.
- • **Interference? What Interference?:** Engineered with strong noise rejection to ensure zero hum or buzz near your speakers.

## Overview

The Sleet Subwoofer Preamp Board delivers a high-fidelity low pass filter from 22Hz to 300Hz with real-time LED indicators for power and interference monitoring. Designed for minimal noise and maximum durability, it features a fully sealed potentiometer and brass terminals for easy wiring. Perfect for professionals seeking customizable, interference-free subwoofer performance.

## Description

Specification:Item Type: Subwoofer Preamp BoardMaterial: PlasticSupply Voltage: DC10-24V DC Single Power SupplyFrequency Range: 22Hz-300HzAudios Input: Mono or 2 ChannelsAudios Output: MonoPCB Specification: Approx. 78 x 32mm / 3.07 x 1.26in, Thickness: Approx. 1.6mm / 0.06inPCB Material: -4 Hard Glass PlateBoard Mounting Hole Center Distance: Approx. 70 x 24mm / 2.76 x 0.94in, Hole Diameter: Approx. 3.2mm / 0.13inPotentiometer Axes Spacing: Approx. 32.5mm / 1.28inPackage List:1 x Subwoofer Preamp Board

Review: Good - Good

## Features

- SIMPLE The design is simple and beautiful, and the wiring is reasonable, so that the board has a very high to noise ratio
- REAL TIME MONITORING: The subwoofer front panel is designed with LED indicators, which can monitor the power status in real time
- INTERFERENCE PREVENTION: The board has strong interference ability. There is almost no noise near the speaker when there is no input
- MATERIAL: The adjustment potentiometer adopts fully sealed type, and the input and output terminals use brass terminals. Wiring is easy
- HIGH EFFICIENCY: This IC base can be soldered at any time, can feel the effect of different op amps, and enhance playability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sleet |
| Part number | SleetNPzaJ |
| Item Weight | 30 g |
| Package Dimensions | 11.4 x 7.3 x 1.7 cm; 30 g |
| Item model number | SleetNPzaJ |
| Batteries Required? | No |

## Images

![Subwoofer Preamp Board, Single Supply Low Pass Filter Board 22Hz-300Hz Interference LED Indicators for Industry - Image 1](https://m.media-amazon.com/images/I/71WWb8g2JtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Good
*by S***L on 30 November 2025*

Good

## Frequently Bought Together

- Subwoofer Preamp Board, Single Supply Low Pass Filter Board 22Hz-300Hz Interference LED Indicators for Industry
- ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects
- Elegoo 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ma/products/509928375-subwoofer-preamp-board-single-supply-low-pass-filter-board-22hz](https://www.desertcart.ma/products/509928375-subwoofer-preamp-board-single-supply-low-pass-filter-board-22hz)

---

*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-22*