Stetsom

Stetsom Bravo HQ 400.4 Multichannel Car Audio Digital Amplifier 2 Ohms Stable 400 Watts RMS Full Range Four Channel Stereo Power Amp

Why you'll like it

  • Crystal Clear Audio Fidelity — Class D Mosfet technology eliminates background white noise for pristine sound production across all frequencies.
  • Versatile Integration — Dual RCA and high-level inputs let you connect to original factory head units without cutting stock wires.
  • Precision Tuning Controls — Variable high-pass and low-pass crossovers along with a flat mode option allow custom acoustic tailoring for your speakers.
  • Compact Power House — Small aluminum chassis footprint delivers 400 Watts RMS of total power while fitting discreetly into tight vehicle spaces.

Product details

Description

The Stetsom Bravo HQ 400.4 is a premium, compact Class-D digital car amplifier engineered for audio enthusiasts who demand high performance and exceptional sound fidelity without sacrificing space. Delivering a total of 400 Watts RMS across four independent channels, this versatile amplifier is 2 Ohms stable, making it perfect for driving an array of car speakers, including tweeters, midrange drivers, and subwoofers in bridge mode.

Built with advanced Mosfet technology, it ensures maximum thermal efficiency, low total harmonic distortion, and quiet operation. The unit features both high-level inputs and standard RCA connections, allowing seamless integration with both factory-installed head units and aftermarket stereos.

With integrated variable high-pass and low-pass filters alongside a flat mode selection, this full-range amplifier gives you surgical precision when tuning your vehicle’s sound stage. Bring authentic global audio engineering into your vehicle for a crisp, distortion-free listening experience on every drive.

How to use

  1. Disconnect the vehicle battery before installation.
  2. Mount the amplifier in a well-ventilated location using the integrated mounting holes.
  3. Run a 9 AWG power cable from the battery with an appropriate 25 Amp fuse placed within 12 inches of the battery terminal.
  4. Connect the 18 AWG remote wire to your head unit and the 9 AWG ground wire to a clean, unpainted metal chassis point.
  5. Route your speaker lines using 13 AWG wires to the independent channels or bridge them for higher output.
  6. Adjust the variable high-pass or low-pass crossover dials to match the frequency specifications of your connected speakers before powering on.

Ingredients

Not Applicable

As printed by the brand. Check the pack label if you have an allergy.

Specifications

BrandStetsom
CategoryMultichannel Amplifiers
EAN7897748705495
Ships fromUSA (sourced directly), checked in Navi Mumbai
Sold byDropy.in

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FAQs

What class of amplifier is the Stetsom Bravo HQ 400.4?

The Stetsom Bravo HQ 400.4 is a Class-D digital amplifier, which makes it highly efficient, run cooler, and have a more compact footprint than traditional Class-AB amplifiers.

Can I connect this amplifier to my car's stock factory stereo?

Yes, it features high-level inputs that allow you to tap directly into your vehicle's original factory speaker wires without needing separate RCA converters.

Is the Stetsom Bravo HQ 400.4 bridgeable?

Yes, the independent channels can be bridged to deliver 2 x 150 Watts RMS at 4 Ohms when operating at 12.6 Volts, giving you the flexibility to power subwoofers.

How can I be sure this Stetsom amplifier is an authentic import in India?

Dropy sources products directly from trusted distributors in the USA. Every item undergoes rigorous quality checks to guarantee you receive a 100% genuine, authentic international import.

What gauge wire is recommended for installing this car amplifier?

It is recommended to use a 9 AWG power and ground wire, an 18 AWG remote turn-on wire, and 13 AWG wires for the speaker outputs to ensure optimal electrical performance.

How long will delivery take?

Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.

Is cash on delivery available?

Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.

Are your products genuine?

Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.

What if my order arrives damaged or wrong?

Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.

Is delivery free?

Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.