---
product_id: 87744996
title: "Gravity GBR250.4D True 360-Watt RMS Micro Ultra Compact Digital 4-Channel Full Range Amplifier with RCA Stereo Input - Perfect for Motorcycle, RV, ATV, Car, Boat, Marine"
brand: "gravity audio"
price: "$297"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/87744996-gravity-gbr250-4d-true-360-watt-rms-micro-ultra-compact
store_origin: NZ
region: New Zealand
---

# Gravity GBR250.4D True 360-Watt RMS Micro Ultra Compact Digital 4-Channel Full Range Amplifier with RCA Stereo Input - Perfect for Motorcycle, RV, ATV, Car, Boat, Marine

**Brand:** gravity audio
**Price:** $297
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Gravity GBR250.4D True 360-Watt RMS Micro Ultra Compact Digital 4-Channel Full Range Amplifier with RCA Stereo Input - Perfect for Motorcycle, RV, ATV, Car, Boat, Marine by gravity audio
- **How much does it cost?** $297 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/87744996-gravity-gbr250-4d-true-360-watt-rms-micro-ultra-compact)

## Best For

- gravity audio enthusiasts

## Why This Product

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

## Description

Sponsored Ad - Gravity GBR250.4D True 360-Watt RMS Micro Ultra Compact Digital 4-Channel Full Range Amplifier with RCA Stereo Input - Perfect for Motorcycle, RV, ATV, Car, Boat, Marine

## Images

![Gravity GBR250.4D True 360-Watt RMS Micro Ultra Compact Digital 4-Channel Full Range Amplifier with RCA Stereo Input - Perfect for Motorcycle, RV, ATV, Car, Boat, Marine - Image 1](https://m.media-amazon.com/images/I/71VTdQj0i1L.jpg)

## Questions & Answers

**Q: If im only using front l&r channels at 4ohms, whats the rms spec? my speakers are only rated at 65rms.**
A: Up to 90 per channel I think. It has adjustable gain

**Q: Does it come with wiring harness?**
A: Yes

**Q: Will it fit a2008 Harley Ultra classic**
A: I installed it in a 2008 Road Glide, It should work

**Q: Can you use high level in or will i have to get a line out converter?**
A: It only has one set of inputs which are rated for low and high level.

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**Shop now:** [https://www.desertcart.nz/products/87744996-gravity-gbr250-4d-true-360-watt-rms-micro-ultra-compact](https://www.desertcart.nz/products/87744996-gravity-gbr250-4d-true-360-watt-rms-micro-ultra-compact)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-15*