About the Boss Audio MCKGB450B.6
This receiver/speaker combo package from Boss is a great way to upgrade the audio on your boat or ATV without emptying your wallet. The all-weather digital media receiver features built-in Bluetooth, so you can stream your favorite tunes without taking your phone out of your pocket. And your music will sound great on the 6-1/2" marine-rated speakers, which can be ordered in Black or White.
Big performance from a compact receiver
The Boss MGR450B digital media receiver packs a lot of features into a compact design that fits into a standard gauge opening. Crank up some AM/FM radio, or plug a compatible device into the rear USB or AUX inputs. The pre-set EQ lets you optimize the sound for your favorite tunes, and the full set of preamp outputs will come in handy if you want to expand your system with marine amps and subs.
The backlit LED display lets you see what you're hearing with just a glance, while the IPX6-rated water-resistant face panel and big, easy-to-use controls are made to resist sun, salt, and moisture.
Rugged, outdoor-ready speakers
The Boss MR6 marine speakers pair up perfectly with this receiver. These durable 6-1/2" dual cone speakers provide plenty of low-end punch and good clarity, with a water-resistant design that stands up to outdoor use without sacrificing style.
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.
- package includes Boss Marine MGR450B receiver and a pair of MR6 6-1/2" marine speakers
- available with Black or White speakers
MGR450B digital media receiver (does not play CDs)
- built-in MOSFET amplifier (20 watts RMS/60 peak × 4 channels)
- built-in Bluetooth lets you stream your music
- plays music from your iPod, plus iPhone or Android smartphones
- compatible with MP3 and WMA files
- AM/FM/receiver with RDS tuner
- waterproof conformal-coated circuit boards
- inputs: rear auxiliary input and USB port
- outputs: 6-channel preamp outputs
- stainless steel mounting hardware included
- chassis width: 3"
- chassis height: 3"
- nose width: 4.375"
- nose height: 4.4375"
- warranty: 3 years
MR6 marine speakers
- 2-way 6-1/2" dual-cone marine speakers
- polypropylene/carbon cone with rubber surround
- cone tweeter
- power handling up to 90 watts RMS (180 watts peak)
- sensitivity: 89 dB
- frequency response: 80-20,000 Hz
- cutout diameter: 5-3/4"
- frame diameter: 7-1/2"
- mounting depth: 2-1/4"
- warranty: 3 years
- Our 60-day money-back guarantee
- MFR # MCKGB450B.6
What's in the box:
- Gauge-style marine receiver
- 2 Marine speakers
- 41" Marine dipole antenna
- Two trim-rings
- Two 10' lengths of speaker wire
- 2 Self-adhesive gaskets
- Mounting bracket
- 4 Machine screws
- 4 Hex-nuts
- 8 Self-tapping screws
- 8 Speed-clips
- User Manual/Quick Installation Guide
- Warranty/Registration Card
- "Thank You" card
- "Like us on Facebook" card
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More details on the Boss Audio MCKGB450B.6
Marine Gauge-Style Receiver
IPX6 Certified: The Boss Marine gauge-style receiver has been engineered and tested for use in the harsh marine environment. The marine digital media receiver features UV coating and PC board with conformal coating to prevent fading and protect against corrosion. It also features IPX6 waterproof certification, so it can hold up in the marine environment and withstand powerful splashes of water out on the ocean or lake. During testing, water is projected at all angles through a 12.5mm nozzle at a flow rate of 100 liters/min at a pressure of 100 kN/m2 for 3 minutes from a distance of 3 meters.
Note: This unit should not be submerged in water.
Gauge-Style Mount: The Boss Marine digital media receiver can fit in a boat's 3" gauge-style opening. If your boat does not already have a gauge-style opening, the marine digital media receiver requires a round 3" cutout in the bulkhead for inserting the chassis. The integrated protective gasket, supplied U-bracket, and included hardware secure the unit in place against the mounting surface. Receiver dimensions are as follows -
- Chassis & Cutout: 3" (diameter) x 4.8125" (depth)
- Front-Panel: 4.375" (w) x 4.4375" (h) x 1.0625" (d)
Note: The receiver's chassis is round and does not include a mounting sleeve or ISO-mount screw holes to accommodate standard automotive installation.
Bluetooth Audio Streaming: Thanks to built-in Bluetooth 3.0, you can wirelessly stream stored music and music apps from your Bluetooth-enabled Apple iPod/iPhone/iPad, Android smartphone/tablet, or other Bluetooth source device to the Boss Marine gauge-style receiver. The unit offers Play/Pause & Previous/Next Track control (there is no song/artist info display).
Note: This unit does not offer support for Bluetooth hands-free phone communication.
USB-A Port: The Boss Marine gauge-style receiver is fitted with a rear-panel USB-A port attached to the rear-chassis via a 7" cable. The USB-A port allows you to plug in your USB mass storage class device, like a USB thumbdrive or portable digital audio player (up to 32GB) for playback of MP3/WMA music files (up to 65,000 songs). Your USB MSC device must be formatted in FAT 32. The unit offers Play/Pause & Previous/Next Track control (there is no song/artist info display). If your USB MSC device can be charged via USB, the unit's USB (5V/1A) port will charge your device while connected.
Note: The unit's USB port does not support Apple iPod/iPod/iPad, Android smartphones/tablets, HDDs, or USB hubs.
Aux Input: The Boss Marine gauge-style receiver is equipped with a rear-panel stereo RCA Aux input attached to rear-chassis via a 7" cable. The stereo RCA aux input allows you to connect an external audio device with a stereo RCA output. If you have a source device that has a 3.5mm output, then you will need a stereo RCA-to-minijack adapter (sold separately).
AM/FM + Weather Band Tuner: The Boss Marine gauge-style receiver features a built-in AM/FM tuner, plus a 7-channel NOAA weather band tuner. You can store up to 12 FM and 6 AM preset stations. You can also select between US or European tuning.
Note: A 41" marine dipole antenna is included.
MOSFET Amplifier: The Boss Marine gauge-style receiver is equipped with a MOSFET amplifier rated at 20W (RMS) x 4 channel / 60W (Peak) x 4 channel.
2V/4Ch Pre-Outs + Sub Control: The marine digital media receiver is fitted with a 2-volt front pre-out and a 2-volt rear/sub pre-out. When set to sub pre-out, you can adjust the sub's low-pass crossover (80/120/160Hz) and sub level control (0-12).
EQ: The marine digital media receiver offers 8 EQ Presets - Flat, Jazz, Pop, Classical, Rock, Techno, Vocal, and User. The User mode allows you to manually adjust the unit's Bass, Mid, and Treble. There is also an XBass (Bass Boost) feature that can be turned on or off.
LCD Screen: The Boss Marine gauge-style receiver features a front-panel LCD screen with bluish white illumination. The LCD screen indicates source input, AM/FM station number, and menu settings. This unit does not provide song/artist information.
Key Beep: The in-dash head unit provides an audible beep to confirm button operation. This function can be turned On or Off.
Marine Two-Way Speakers
Marine Dual Cone Speakers: The Boss MR6B speakers are designed and treated for use in the harsh marine environment. The marine dual cone speakers feature a cone woofer and cone tweeter. The speaker has a frequency response of 80Hz-20kHz and can handle up to 180-watts (max).
UV Resistant Basket & Grille: The integrated basket and grille are made of durable UV resistant plastic.
- Mounting Height: 0.875"
- Mounting Depth: 2.25"
- Cutout Diameter: 5.75"
- Magnet Diameter: 3.695"
- Frame/Grille Diameter: 7.5"
- Number of Mounting Holes: 4 (spaced 4.75" apart)
Included Hardware: The speakers include stainless steel mounting screws and self-adhesive foam gaskets for a watertight fit.
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