---
product_id: 722199686
title: "Bravo HQ 400.4 - Multichannel Car Audio Digital Amp, 2 Ohms Stable - 400 Watts RMS 4 Independent Channels, Variable Crossover, Full Range, Car Stereo ds Bridge Speakers 400x4 RCA & High Input"
brand: "stetsom"
price: "AR$333680"
currency: ARS
in_stock: true
category: "Stetsom"
url: https://www.desertcart.com.ar/products/722199686-bravo-hq-400-4-multichannel-car-audio-digital-amp-2
store_origin: AR
region: Argentina
---

# 400W RMS Power Output 4 Independent Channels Compact Cooler for Long Use Bravo HQ 400.4 - Multichannel Car Audio Digital Amp, 2 Ohms Stable - 400 Watts RMS 4 Independent Channels, Variable Crossover, Full Range, Car Stereo ds Bridge Speakers 400x4 RCA & High Input

**Brand:** stetsom
**Price:** AR$333680
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your ride’s soundtrack with power and precision — don’t just drive, perform!

## Quick Answers

- **What is this?** Bravo HQ 400.4 - Multichannel Car Audio Digital Amp, 2 Ohms Stable - 400 Watts RMS 4 Independent Channels, Variable Crossover, Full Range, Car Stereo ds Bridge Speakers 400x4 RCA & High Input by stetsom
- **How much does it cost?** AR$333680 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/722199686-bravo-hq-400-4-multichannel-car-audio-digital-amp-2)

## Best For

- stetsom enthusiasts

## Why This Product

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

## Key Features

- • **Compact Yet Mighty:** Sleek aluminum design with a powerful cooling system fits discreetly anywhere in your vehicle without overheating.
- • **Seamless Integration:** Dual RCA and high-level inputs maintain your car’s original wiring while upgrading your audio experience effortlessly.
- • **Precision Audio Control:** Variable crossover with HPF & LPF (5Hz–30kHz) lets you tailor every frequency for crystal-clear, customized soundscapes.
- • **Versatile Compatibility:** Supports bridge mode and works flawlessly with tweeters, drivers, woofers, and subwoofers for a full-range audio upgrade.
- • **Power That Commands Attention:** Delivers a robust 400 Watts RMS across 4 channels for immersive, high-fidelity sound that transforms your drive.

## Overview

The Stetsom Bravo HQ 400.4 is a high-performance 4-channel digital car amplifier delivering 400 Watts RMS power stable at 2 Ohms. Featuring variable crossover controls, dual RCA and high-level inputs, and a compact aluminum design with efficient cooling, it offers professional-grade sound customization and reliable long-term use. Perfect for audiophiles seeking a seamless upgrade compatible with a wide range of speaker setups.

## Description

The Bravo HQ 400.4 amplifier was developed with the most advanced technology for those who wants the best performance. This car audio amplifier has enough power to deliver high performance for internal and external audio systems using one or more speakers. Controlling the audio the way you want with audio controls - Level: allows you to adjust the signal level is being sent to each speaker; Variable Crossover: allows you to adjust the crossover cut-off (50 Hz–2.3 kHz); Crossover switches: work together with the Variable Crossover, it has two switches with a frequency cut-off function, and each switch acts on two channels at the same time. The input options are RCA and High. The high input allows you to mantein the car's originality. Being an elegant and compact amplifier, it fits anywhere in your car. So, the Bravo HQ 400.4 amplifier is what you need to have the best sound quality and fidelity in your car; furthermore, it is compatible with the bridge mode, tweeters, drivers, woofers and subwoofers.

## Features

- Power Output: This car audio amplifier deliver what it takes with 400 Watts RMS power with high performance for internal and external audio systems using one or more speakers.
- 4 channel monoblock amplifier, Mosfet Class D, Full Range stable at 2 Ohms and Bridge
- Audio Controls: Variable Crossover ( HPF & LPF from 5Hz ~30KHz ) | Flat mode: where every ajustments on the amp stay disabled, allowing reproduction of all frequencies supported by the amp.
- Input and Output Options: RCA input; High input; 4 independet channels; Compact and powerfull cooler for better ventilation and safety long use for hours
- Power connectors ( power / ground ) 9awg, Remote connector 18awg, Speakers 13awg, Fuse 25A ( max 12" far from the battery )

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CNB7X3Y4 |
| Best Sellers Rank | #97,628 in Electronics ( See Top 100 in Electronics ) #69 in Car Multichannel Amplifiers |
| Brand Name | Stetsom |
| Customer Reviews | 4.3 4.3 out of 5 stars (61) |
| Global Trade Identification Number | 07897748705495 |
| Included Components | Amplifier |
| Item Dimensions | 16.5 x 12.7 x 5.8 centimeters |
| Manufacturer | Stetsom |
| Material Type | Aluminum |
| Maximum Output Power | 400 watts |
| Maximum Supply Voltage | 15.5 Volts (DC) |
| Minimum Supply Voltage | 9 Volts (DC) |
| Model | 20716 |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Number of Items | 1 |
| Operating Temperature | 40 Degrees Celsius |
| Output Power | 400 Watts |
| Package Type Name | Compact Box |
| Part Number | 20716 |
| Specification Met | CE, CSA, FCC, RoHS, TUV, WEEE |
| Supply Current | 34 Amps |
| Unit Count | 1 Count |
| Voltage | 14.4 Volts |

## Product Details

- **Item dimensions L x W x H:** 16.5 x 12.7 x 5.8 centimeters
- **Manufacturer:** Stetsom
- **Maximum supply voltage:** 15.5 Volts (DC)
- **Minimum supply voltage:** 9 Volts (DC)
- **Voltage:** 14.4 Volts

## Images

![Bravo HQ 400.4 - Multichannel Car Audio Digital Amp, 2 Ohms Stable - 400 Watts RMS 4 Independent Channels, Variable Crossover, Full Range, Car Stereo ds Bridge Speakers 400x4 RCA & High Input - Image 1](https://m.media-amazon.com/images/I/81SvMeip72L.jpg)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-12*