DS18 Hydro 2 Ohm Stable Bluetooth Marine & Powersports Head Unit MRX1

• Compact Marine Head Unit: 2.75” digital media receiver built for boats, UTVs, golf carts, and off-road vehicles with IP65 water resistance, UV protection, and salt spray resistance.
• Multiple Playback Options: Stream wirelessly via Bluetooth v4.2, play music from USB (up to 64GB), or connect directly with AUX input.
• Full System Control: Front, rear, and sub RCA outputs (4V preamp) with selectable low-pass filter and subwoofer gain, plus EQ presets and bass/treble adjustments.
• Built-In Power: Delivers 4x15W RMS @ 4Ω and up to 4x40W peak, giving you the option to power entry-level speakers directly or expand with amplifiers.
• Durable & User-Friendly: Comes with a silicone protective cover, rubber backlit buttons, and 2.75” LCD for easy operation in any condition.

DS18 Hydro MRX1 Bluetooth USB AUX Marine & Powersports Head Unit

• This Listing Includes:
  
  (1) Head Unit
  
  (1) Silicone Protective Cover
  
  (1) Wiring Harness

Description:

The DS18 Hydro MRX1 is an all-in-one 2.75†marine and powersports digital media receiver built for boats, golf carts, UTVs, and off-road adventures. With IP65 water resistance, UV protection, salt spray resistance, conformal coating, and a silicone cover for added protection, the MRX1 is engineered to handle the toughest conditions.

Stream music easily via Bluetooth v4.2, USB, or AUX. Enjoy precise control over your sound with adjustable bass, treble, balance, fade, EQ, loudness, and subwoofer crossover. Choose from EQ presets like Flat, Pop, Rock, or Classical, or customize your own. The built-in AM/FM tuner with antenna support keeps your favorite stations within reach, while CT sync keeps your time settings accurate.

The MRX1 supports full system expansion with front, rear, and sub RCA outputs (4V preamp), plus an 80/120/160Hz selectable low-pass filter and subwoofer gain control. Its internal amplifier delivers 4x15W RMS @ 4© and up to 4x40W peak power, giving you the flexibility to power entry-level speakers directly or run amplifiers for bigger systems.

Durable, compact, and powerful, the MRX1 is the ideal command center for marine and off-road audio.

Key Features:

• Marine & Powersports Head Unit


• 2.75" LCD Display


• Bluetooth v4.2, USB (64GB Max), AUX Input


• IP65 Water Resistant, UV & Salt Spray Protection


• Silicone Cover Included


• 4 x 40W Max Power / 4 x 15W RMS @ 4©


• 1 Zone with Front, Rear, and Sub RCA Outputs (4V)

General Specifications:

• SKU: MRX1


• Operating Voltage: 12V DC (10.5 – 16V)


• Power Supply: Negative Ground


• RMS Continuous Power: 4 x 15W @ 4©


• Max Power: 4 x 40W


• Current Drain: 10A Max


• Preamp Output: 4V RMS Differential


• Low Battery Alert: Yes


• Conformal Coating: Yes


• UV/Salt Resistance: Yes


• IP Rating: IP65

Audio:

• Frequency Response: 20 Hz - 20 kHz


• Bass Control: 10 dB @ 100 Hz


• Treble Control: 10 dB @ 10 kHz


• Subwoofer RCA Output with Selectable Low-Pass Filter (80/120/160Hz, Gain 0–12)


• Preset EQ Modes: Flat / Pop / Rock / Classical


• Audio Input: L+R RCA


• Wired Remote Input: Yes

Connectivity:

• Bluetooth Version: 4.2 with ID3 Tag Info


• USB: v2.0 (64GB Max), 2A Charging, MP3/WMA Playback


• AUX Input: Yes


• Antenna: AM/FM Compatible

Display:

• Type: 2.75" LCD Negative VA


• Backlight: Yes (RGB)


• Buttons: Rubber, Sealed

Dimensions:

• Length: 4.5"


• Width: 4.5"


• Height: 2.9"


• Weight: 2 lbs

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.