--- product_id: 17827185 title: "New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5\" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black)" brand: "mb quart enrock" price: "£256.35" currency: GBP in_stock: true category: "Electronics" url: https://www.desertcart.co.uk/products/17827185-new-marine-bluetooth-stereo-mb-quart-gmr-1-bluetooth-enabled store_origin: GB region: United Kingdom --- # New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) **Brand:** mb quart enrock **Price:** £256.35 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) by mb quart enrock - **How much does it cost?** £256.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/17827185-new-marine-bluetooth-stereo-mb-quart-gmr-1-bluetooth-enabled) ## Best For - mb quart enrock enthusiasts ## Why This Product - Trusted mb quart enrock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description "The MB Quart Nautic GMR Marine & Powersports source unit is the perfect solution for any vehicle that will be exposed to the elements. The GMR line has been extensively tested to be waterproof, dust proof and UV stable. MB Quart's Bluetooth Connect allows you to stream music from your favorite handheld device via BluetoothTM thereby opening up a world of entertainment options. Use the RCA AUX input for connecting the GRM to additional audio source s, like satellite radio as well as other non-Bluetooth devices. Enrock 6-1/2-Inch Dual Cone Full Range Speakers Completely Waterproof For Marine or Car Door Use Polypropylene Cone w/ Cloth Surround Built-In Molded Grill Molded ABS Plastic Basket 1-Inch Aluminum Voice Coil 20 Oz. Circuit Magnet Frequency Response: 45-16Khz Impedance: 4 Ohms Mounting Depth: Only 2-Inch Complete Pair with Wire & Mounting Hardware This Hydra Marine amp will power your speakers on the dock, in your boat, or by the pool - it's completely waterproof. This 4-channel, 400-watt marine amp takes both high and low level inputs, so it's compatible with a variety of head units and sources. Remote turn/on off makes controlling this amp a breeze. Gold plated RCA inputs means this amp won't be a weak link in your setup. For protection, count on the heavy duty aluminum alloy heatsink to prevent overheating, as well as thermal, overload, and short circuit protection. Comes complete with mounting screws and hardware. Runs on 12 volts DC." ## Features - Package Includes: 1 Stereo 6 X Speakers 1 X Amplifier - Speakers: 6-1/2'' Dual Cone Full Range Speakers, Completely Waterproof, For Marine or Car Door Use, Polypropylene Cone w/ Cloth Surround, Built-In Molded Grill, Molded ABS Plastic Basket, 1'' Aluminum Voice Coil, 20 Oz. Circuit Magnet, Frequency Response: 45-16Khz, Impedance: 4 Ohms, Mounting Depth: 2.5'', Cut-out: Φ135 mm, Complete Pair with Wire & Mounting Hardware, Total of 4 Speakers - Amp: 4 Channel Amp System, Dual MOSFET Power Supply, Marine Grade Construction, Waterproof Marine Rating IP-01, Dual Adjustable Input GAIN Level Controls, Dual High Level Speaker Input Connectors, Dual RCA (L/R) Input Connector Jacks, Gold-Plated Speaker Output Terminal Connectors, Adjustable Input GAIN Level Control, Anti-Thump Delay Circuitry, Built-in Thermal, Overload & Speaker Short Protection, Heavy Duty Aluminum Alloy Heatsink, Power ON LED Indicator, Remote Turn ON/OFF - Technical Specs: Output Power: 100 Watt x 4 MAX, Amplifier Class: AB, Fuse Type: 20A, Input Gain Impedance Adjustment: 1 - 300mV, Frequency Response: 15 - 30kHz +/-3dB, Input Impedance: 10k Ohms (Low), 100 Ohm (High), Input Sensitivity: 250mV (Low), 2.5V (High) T.H.D.: <0.04%, Power Supply: DC 12V, Matching Speaker Impedance: 4-8 Ohms, Dimensions (L x W x H): 9.0'' x 7.9'' x 2.0'' ## Images ![New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) - Image 1](http://ecx.images-amazon.com/images/I/51C1S%2BJ8NuL.jpg) ![New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) - Image 2](http://ecx.images-amazon.com/images/I/41621vIaAbL.jpg) ![New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) - Image 3](http://ecx.images-amazon.com/images/I/51NYTFtqi1L.jpg) ![New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) - Image 4](http://ecx.images-amazon.com/images/I/519YyVIdD%2BL.jpg) ![New Marine Bluetooth Stereo MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat Yacht Stereo System AM/FM Radio Player with 6 X Enrock 6.5" Inch Waterproof Marine Audio Spekaers System and 400 Watt 4 Channel Marine Boat Audio Amplifier - Great Marine Outdoor Audio Package (Black) - Image 5](http://ecx.images-amazon.com/images/I/41jexxkomkL.jpg) --- ## 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.co.uk/products/17827185-new-marine-bluetooth-stereo-mb-quart-gmr-1-bluetooth-enabled](https://www.desertcart.co.uk/products/17827185-new-marine-bluetooth-stereo-mb-quart-gmr-1-bluetooth-enabled) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*