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Infinity MPK3000

Marine audio package: includes R3000 digital media receiver (does not play CDs) and two 622MWB 6-1/2" marine speakers

Item # 822MPK3000

This marine audio package has everything you need to start building a great-sounding system on your boat.

This marine audio package has everything you need to start building a great-sounding system on your boat.

California customers:
Please click here for your Proposition 65 warning.

Item # 822MPK3000

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About the Infinity MPK3000

An Infinity system made for your boat 

This marine audio package has everything you need to start building a great-sounding system on your boat. The rugged, easy-to-use marine receiver and powerful 6-1/2" speakers will stand up to sun, spray, and rough weather and deliver the performance you expect from Infinity. This package also includes an antenna and a dash-mount USB extender. 

An Infinity system made for your boat 

This marine audio package has everything you need to start building a great-sounding system on your boat. The rugged, easy-to-use marine receiver and powerful 6-1/2" speakers will stand up to sun, spray, and rough weather and deliver the performance you expect from Infinity. This package also includes an antenna and a dash-mount USB extender. 

A versatile receiver that really performs

This Infinity WAKE Series digital media receiver packs a lot of cool features into a compact, weather-resistant design. You'll enjoy AM/FM/WB radio, of course, plus you can use the USB and auxiliary inputs to listen to the tunes stored on a thumb drive or portable music player. You can also enjoy music streamed from your smartphone or other device using the latest Bluetooth® 5.0 technology.

The INF-R3000 includes a pair of rear-mounted preamp outputs, so you can expand your system with a marine amp in the future. The easy-to-read LED display tells you what you're listening to with just a glance, while the IPX7-rated face and controls will stand up to the elements for seasons to come.

Loud, long-lasting 6-1/2" speakers

The Infinity 6-1/2" speakers are made for use in the harsh marine environment. Designed to handle sun, spray and scrub-downs, these powerful speakers feature waterproof motor structures, a cast-polymer basket, a sealed magnet, and durable rubber surrounds. This full-range speaker delivers full bass response, while maintaining excellent resistance to sunlight and moisture. The weather-resistant dome tweeters are mounted on the grilles, so you'll hear all the musical details while you're enjoying a day on the water.

Made for marine use

Infinity doesn't just say their gear is marine-rated, they test it to make sure it's worthy of the adjective. This rugged stereo will stand up to storms, spray, sun, and even the occasional spilled beverage, so you can relax, have fun, and enjoy the music.

Bluetooth note: Use of this receiver's Bluetooth features will depend upon your phone's Bluetooth capabilities. Learn more in our article explaining Bluetooth profiles.

iPod/smartphone note: If you're going to use your iPod or smartphone with this receiver, be sure to check "Details" for compatibility information.

This marine digital media receiver will not play CDs.


Product highlights:

  • package includes R3000 digital media receiver, two 22MWB 6-1/2" marine speakers, antenna, and dash-mount USB extender
Infinity R3000 digital media receiver
  • marine digital media receiver (does not play CDs)
  • built-in amplifier (20 watts RMS/55 peak x 4 channels, 2-ohm stable)
  • 4" black and white LCD screen
  • built-in Bluetooth® 5.0 for music streaming
  • AM/FM/Weather Band tuner
  • IPX7-rated watertight, UV-resistant front panel
  • inputs: rear AUX and USB ports
  • outputs: 2-channel preamp outputs
  • warranty: 1 year
Infinity 622MWB speakers
  • 6" 2-way marine speakers (pair)
  • rugged polypropylene cones
  • grille-mounted balanced-dome tweeters
  • synthetic rubber surrounds
  • UV- and corrosion-resistant polymer baskets and grilles
  • power handling: 75 watts RMS (225 watts peak power)
  • frequency response: 50-20,000 Hz
  • mounting diameter: 10-11/16"
  • mounting depth: 4-7/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # INFMPK3000

What's in the box:

  • Marine Receiver (15A fuse)
  • 2 Marine speakers
  • Wiring harness
  • 3' USB/AUX extension adapter (w/ mounting ring and rubber cap)
  • 8' Dipole antenna
  • Rubber protective cover
  • 2 Endcaps (pre-installed)
  • Foam gasket
  • 4 Radio screws
  • 8 Speaker screws
  • Operation Manual for Users
  • Warranty Statement
  • FCC Statement

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More details on the Infinity MPK3000

Stacey B.

Product Research


Marine Certified: The Infinity R3000 marine receiver features an IPX7 rating, and has been engineered and tested for use in the harsh marine environment.

4" Display Screen with Rotary Knob: The Infinity R3000 features a 4" front-panel display screen with a white backlit background and black text. The display screen supports song/artist/album information (no album art) from connected Bluetooth and USB audio devices. You can adjust the display's contrast level for optimal viewing. A 3-way rotary knob makes it easy to adjust the volume, as well as navigate and select menu options. There are also five push-buttons that control functions such as power, source, and playback. Anytime a button is pressed the unit outputs a beep tone (this can be turned off).

Note: A Rubber cover is included to further protect the front-panle of the Infinity R3000 when not in use.

Audio Section: The Infinity R3000 marine receiver is equipped with a built-in 20 watts (RMS) x 4 channel / 55 watts (Peak) x 4 channel amplifier that is 2-ohm stable. The Infinity R3000 is outfitted with a stereo RCA line output that can be used to connect an external power amplifier. This stereo RCA line output is full-range and balances/fades with the front speaker outputs.

  • Equalizer: The marine receiver features 5 EQ preset modes - Flat, Classic, Pop, Rock, or Off. 
  • Tone Control: The marine head unit also offers independent Bass & Treble control, along with Balance & Fader adjustment.
  • Loudness: When listening to music at low volume levels, the Loudness feature will boost the bass & treble response.
  • Turn-On Volume: In addition, you can setup the marine stereo to turn-on at the same volume level (0-50) each and every time.

Bluetooth Audio Streaming: The Infinity R3000 supports wireless audio playback (AD2P) and control (AVRCP) of a Bluetooth source device, such as your smartphone or tablet. You'll be able to wirelessly stream stored music, music apps and other audio content on your Bluetooth source device to the marine receiver. You'll also be able to control basic playback functions (such as Play/Pause & Previous/Next Track) from the receiver's front-panel. In addition, song/artist/album info (no album art) will be displayed on the unit's front-panel. You can only pair and connect one Bluetooth source device at a time.

Note: This unit does not support Bluetooth hands-free communication for making and answering phone calls.

USB Port: The Infinity R3000 is equipped with a rear-panel USB (type-A) port attached to the chassis by a 6" pigtail. The USB port allows you to connect a USB thumbdrive. The unit supports audio playback & control of MP3/WMA audio files stored on a compatible USB thumbdrive (up to 32GB). The unit offers Play/Pause, Fast Forward/Reverse, Previous/Next Track, and Random/Repeat playback functions. This unit will also display song/artist/album information (not album art). The USB port (5V/0.5A) can also charge the battery of some USB devices.

Note: The unit's USB port does not support Apple iOS or Android OS devices. USB hubs and card-readers are not supported.

Aux Input: This unit features a rear mounted, stereo RCA auxiliary input on a 6" pigtail so you can connect an external audio source. A RCA-to-Minijack cable (sold separately) will be required for the connection of a portable audio player with a headphone jack output.

USB/Aux Adapter: The included USB/Aux adapter provides easy connection and disconnection of your USB thumbdrive and portable MP3 player. This adapter features an 3' cable terminated by a male USB (type-A) connector and male stereo RCA connectors which plug into the marine receiver's rear-panel USB port and Aux input. On the other end of the cable is a housing which contains a female USB (type-A) port and 3.5mm minijack input which can be mounted in a more convenient location. The USB/Aux adapter is designed to be flush-mounted and requires a cut-out of 1.315" (diameter) x 1.9375" (depth). A plastic collar locks the adapter into place. An integrated rubber cover protects the connections from the marine environment.

AM/FM/WB Tuner: The Infinity R3000 marine receiver features a built-in AM/FM tuner with manual, seek, and preset tuning. You can select either US or European tuning. It also features a built-in weather band tuner. You can store up to 12 FM, 6 AM, and 6 WB station presets. Stations can be stored manually or automatically. There is Preset Scan function that scans each preset station in the current band for 6 seconds. An 8' dipole antenna with a male Motorola connector is included.

Bulkhead Mount: The Infinity R3000 requires a rectangular cutout in the bulkhead for inserting the chassis. The marine receiver has a shallow mounting depth, perfect for space conscious installation on small boats and personal watercrafts, where this is especially crucial. Four screws (supplied) fasten the faceplate against the mounting surface, and hold the included waterproof gasket against the bulkhead. A supplied mounting gasket also assists you with the cutout and drilling the screw holes.

  • Cutout Dimensions: 5.1875" (w) x 2.0" (h) x 4.75" (d)
  • Front-Panel Dimensions: 6.445" (w) x 2.975" (h) x 0.875" (d)
  • Screw Hole Spacing: 5.75" (w) x 1.75" (h) x 1.0" (d)

Note: The marine receiver does not meet the dimensions or include a mounting sleeve or ISO-mount screw holes to accommodate standard automotive installation.

Marine Rated Speakers: With waterproof motor structures, a one-piece cast-polymer basket, a sealed magnet, rubber surrounds and a grille-mounted tweeter, the Infinity INF622MWB holds up to the sun, the sea spray, all that salt, and all those wash-downs. The grille-mounted tweeter allows the front of the woofer cone to be sealed, protecting the motor structure from sea spray. The polymer-coated cellulose fiber woofer offers greater resistance to the elements.

  • Specifications:
    • Power Handling (RMS): 75W
    • Power Handling (Peak): 225W
    • Frequency Response: 50Hz to 20kHz
    • Sensitivity (2.83V/1m): 91dB
    • Impedance: 4 ohm
  • Mounting Dimensions:
    • Frame Diameter: 6.995"
    • Cutout Diameter: 5.0625"
    • Mounting Depth: 2.625"
    • Overall Depth: 3.625"

Note: No speaker wire is provided.

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Customer Q&A

1 question already asked

Do you carry mounting plates for the jbl 3500 marine audio package?
[ Thomas  Nov 25, 2021 ]
1 answer
We do not carry any premade mounting plates for this gear and recommend consulting a custom installer for help when there are pre-existing openings that are bigger than any of this gear needs.
[ Paul  Nov 27, 2021 ]  Staff

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