BOSS Audio Systems MR508UABW Marine Boat Stereo Speaker USER’S MANUAL

BOSS Audio Systems MR508UABW Marine Boat Stereo Speaker

PRECAUTIONS

How to Handle Discs

• Handle a disc by its edges. Do not touch the playing side.
• Before inserting a disc, wipe the disc outward from the disc center with a clean, soft, dry, and lint-free cloth. Do not use solvents or thinners such as petrol/benzene or cleaners.
• After removing a disc from the disc slot, place the disc in a sleeve or case to keep it clean and prevent scratches.
• Do not stick paper or tape on the disc surface. If there is glue (or adhesive) on the disc surface, remove it before using the disc.

Lithium Battery Cell Warnings

• Cell leakage may cause damage to the remote control.
• Do not throw cells into the fire as this may cause an explosion.
• Keep battery cells out of reach of children.

INSTALLATION

Prepare Radio

1. Before you begin, disconnect the battery negative terminal.
2. Remove the transport screws.
3. Remove the chassis from the mounting sleeve.

If you want to remove the chassis from the mounting sleeve, remove the plastic trim from both sides. Next, insert the two bracket keys into the left and right sides of the chassis, as illustrated, to separate the chassis from the housing.

Mount Radio

Refer to the “Installation Diagram” to install the unit.

1. Bend the tabs on the mounting sleeve, where necessary, to ensure that the front part of the main unit will remain fixed into the vehicle dash opening.
2. Insert the radio into the mounting sleeve.
3. Use a metal strap to secure the rear part of the chassis using the hardware indicated.
4. Make wiring connections, as illustrated in the “Wiring Diagram.”
5. Install the plastic trim.

INSTALLATION DIAGRAM

• Only use speakers with a 4-ohm impedance.
• Do not attach the control panel to the chassis before the wiring is complete.
• The maximum current of the Amp Remote trigger is 200mA.

Wiring Connections

WIRING DIAGRAM

CAUTION: +12V DC NEGATIVE GROUND

Removal of the Main Unit

1. Remove the metal strap from the main unit.
2. Remove the plastic trim from the main unit.
3. Insert a bracket key into the left and right side of the main unit and draw the unit out of the mounting sleeve.

CONTROL PANEL BUTTON LOCATIONS

MR508UABW:

MR508UABS:

1. POWER/SRC (source) button
2. SEL (select/menu) button and VOL (volume) knob
3. BAND/AMS (automatic music search) and button

4. || or 1 button

5. INT (intro) or 2 button
6. RPT (repeat) or 3 button
7. RDM (random) or 4 button
8. -10 or 5 button
9. +10 or 6 button
10. CLK (clock) and button
11. |<< button

12. | button

13. MUTE button
14. EJECT button
15. RESET button
16. AUX IN (auxiliary input) jack
17. USB port/Micro SD Card slot
18. Disc slot

GENERAL OPERATION

• Turn Unit On/Off

  • Press the power ( ) /SRC button to turn on the unit. Press and hold it to turn off the unit.
  • Press the power ( ) button on the remote control to turn the unit on or off.

• Adjust Volume (VOL)
  Rotate the VOL knob on the front panel or press the VOL+/- VOL+/- VOL button on the remote control to increase or decrease the volume level.

• Adjust Menu Options (SEL)

  • Press the SEL button repeatedly to cycle through the following adjustable audio functions: BASS, TREBLE, BALANCE, FADER, EQ OFF, LOUD OFF, DX, STEREO and VOLUME.
  • Press and hold the SEL button to access these additional functions: VOL (LAS/ADJ), AREA EU/US, Clock 12/24, and BEEP ON/OFF.
  • Rotate the VOL knob on the front panel or press the VOL+/- button on the remote control to adjust the selected item.

• Set the Clock (CLK)

  • To display clock time, press the CLK button.
  • To set the clock time, press and hold the CLK button, and the hour will
  • Press the I<< or >>I button or press the NEXT or PREV button to adjust the hour.
  • Press the I<< or >>I button or press the NEXT or PREV button to adjust the minutes.
  • Press the CLK button and the minutes will During Bluetooth mode, the clock can not be adjusted.

• Change the Source (SRC)
  Press the SRC button to switch between RADIO, BT, DISC, USB, CARD, and AUX-IN modes.

• Loudness on/off (LOUD)
  Press the LOUD button on the remote control to turn on the loudness to reinforce the output of bass frequencies, and press again to turn it off.

• Preset Equalizer (EQ)
  Press the EQ button on the remote control to choose a desired preset equalizer mode: OFF, FLAT, POP, ROCK, CLASS.

• Mute on/off (MUTE)
  Press the MUTE button on the remote control to toggle mute on or off. The muted state will be also released when the volume knob or VOL+/- button is used.

• Reset System (RESET)
  The RESET button to access these additional functions: VOL (LAS/ADJ), AREA EU/US, Clock 12/24, and BEEP ON/OFF. The RESET button is used to reset all parameters to the factory default settings. This function may be used when the LCD does not display normally or sound is distorted, or when any of the controls are disabled. To reset your system, use a thin object with a pointed end to depress the RESET button.

RADIO OPERATION

• Switch Between US and EU Frequency
  In radio mode, press and hold the VOL button to select the AREA EU/US, then rotate it to switch between US (USA) and EU (Europe) frequencies. The system will change the frequency setting in about 3 seconds.

• Change Bands (BAND)
  Press the BAND button to switch between the F1 (FM1), F2 (FM2), F3 (FM3), A1 (AM1), and A2 (AM2) bands. Each band stores up to six preset stations.

• Manual Tuning (| << / >>|)
  Press and hold the >>| or |<< button to enter manual tuning mode. In manual tuning mode, Press the >>| or |<< button to move the radio frequency number up or down one step.

• Auto Seek Tuning (| << / >>|)
  In standby mode or while not in manual tuning mode, quickly press the >>| or |<< buttons to= move to the next/previous available station automatically.

• Automatic Music Search (AMS)
  Press and hold the AMS button for more than 2 seconds to select six strong stations and store them in the current band. The radio will automatically scan the current frequency and enter the six strongest stations into the preset memory positions for that band. Briefly press the AMS button on the remote control to scan each preset station in each band.

• Store/Recall Preset Stations (1 – 6)
  The radio can store 6 preset stations for each band (FM1, FM2, FM3, AM1, and AM2) for a total of 30 stored stations.

  • To memorize a station, turn the radio on and select the desired band and station.
  • Press and hold the desired preset button (numbered 1 – 6 on the face of the radio) for more than 2 seconds to save the station to that preset number.
  • Repeat for the remaining presets on the current band and for all presets on the other four bands.
  • A stored station can be recalled at any time by choosing a band and then pressing the corresponding preset button.

• LOCAL/DX
  In urban areas, most stations are strong enough, and the “LOCAL ON” mode should be selected. Switch to LOCAL OFF mode to search for stations with weaker signals. Press the LOC button on the remote control to choose local or distant reception mode.

• STEREO/MONO
  FM station is received in stereo mode. However, if the signal is weak or reception is not as good as you would like, switching to MONO mode usually improves the overall sound quality. Press the ST button on the remote control to choose FM STEREO or MONO audio effect.

DISC/USB/CARD OPERATION

Insert Disc/USB/SD

• To play files on a disc, insert a disc with the label surface up into the disc slot. Playback will begin automatically.
• To play files on a USB/SD device, open the USB port cover and insert the USB/SD storage device into the USB/SD port. Playback will begin automatically.

Eject Disc/USB/SD

• To eject a disc, first press the >|| button to stop playback. Press the (eject) button to eject the disc and then remove it.

• To eject a USB device or SD card, first press the >|| button to stop playback, then remove the storage device or card.

• Play/Pause
  Press the >|| (play/pause) button to pause or resume playback.

• Next/Previous Track
  To play the next track, briefly press the NEXT button.
  To play the previous track, briefly press the PREV button.

• Fast Forward/Backward

  • To fast forward, press and hold the ›>| or > button.
  • To fast backward, press and hold the |<< or < button.

• Introduction Scan
  Press the INT button to play the first 10 seconds of each track, and press again to stop the introduction scan and play the current track.

• Repeat the Same Track
  Press the RPT button to play the current track repeatedly, and press again to stop the repeat playback and resume normal playback.

• Playing all tracks in random
  Press the RDM button to play all tracks in random order, and press again to cancel this function.

Track Search

During CD, USB, or SD playback, press the AMS button to select one of the following 3 track search modes:

1. NUM SCH (Searching by track number)
2. DIR SCH (Searching by directory number)
3. FILE SCH (Searching by track or file name)

NUM SCH (Searching by track number)

• In playback of CD or files with MP3 format, press the AMS button once to access the track or file number searching mode which allows you to quickly find a specific track or MP3 file by its serial number and the “NUM SCH” and “NUM * will appear on the LCD display in sequence, and the first symbol will blink.
• Rotate the VOL knob to select the number of your favorite track or file at high speed. c Finally press the SEL button to confirm and play the selected file.

DIR SCH (Searching by directory number)

The folder search mode allows you to quickly find an MP3 track or file under a specific group folder.

• In playback of files in MP3 format, press the AMS button twice, and the “DIR SCH” will be shown on the LCD display.
• Rotate the VOL knob to select a desired folder.
• Press the SEL button to play the first track or file of the selected folder.

FILE SCH (Searching by track or file name)

This track or file name search function allows you to quickly find an MP3 title by its name

• Press the AMS button three times, and the FILE SCH” and **….” will be shown on the LCD display in sequence, and the first character*** will blink.
• Rotate the VOL knob to change the first character (). The character will be changed from “A” to “Z’, “O” to “9° and _, -, “, +, “space*. Press the SEL button to confirm the character entered and the next character will blink for setting. Press the AMS button to delete the incorrect character.
• When matched files were found, press the SEL button to start playing the searched file. If the file was not found, a “NO MATCH” message will be visible on the display.

Track/Folder Navigation

• During USB or SD card mode, press the 5/-10 button to go backward 10 tracks. Press the 6/+10 button to jump forward 10 tracks
• During USB or SD card mode, press and hold the 5/-10 button to go back to one folder. Press and hold the 6/+10 button to go up one folder. You can repeat this function depending on the number and level of folders
• these buttons have no function if the USB device or SD card has no folders.

BLUETOOTH OPERATION

Pair and Connect

Prior to using the Bluetooth device as a handsfree system for a Bluetooth- enabled mobile phone for the first time, you must pair and connect the two devices as follows:

1. In any mode, prior to pairing and connecting, the BT logo flashes on the LCD indicating that no device is connected. To begin pairing, enable BT mode on your mobile phone.
2. When the phone finds the car audio system, the BOSS MR508UABW(S) will be displayed.
3. Choose the BOSS MR508UABW(S) from the device list to pair and connect with the car audio system. Upon confirming, the BT logo will stop flashing.
4. When pairing is complete, the mobile phone audio will automatically transfer to the car audio system whenever a call is made or received, or when the mobile phone plays music.

Make a Call

• To make a call, dial the call directly from the paired mobile phone.

• To make a call with this Bluetooth hands-free system.

  • When linking up the Bluetooth mobile phone to this car audio handsfree system, press the button to access the dial telephone number mode, then press the “0~9”, *, and # buttons on the remote control to input the telephone number, the entered number will be shown on the LCD.
  • If a number has been incorrectly input, press the DEL button or button to delete it.
  • Press the button to make outgoing calls.

• Redial Last Dialed Number
  Press and hold the button on the control panel to redial the last dialed phone number.

• Answer a Call

  • When the mobile phone is called, the incoming telephone number is displayed on the LCD.
  • To receive the call, press the button on the control panel or remote control.

• Reject or End a Call
  To reject the call or end an active call, press the button.

• Switch Audio Between Car and Mobile Phone
  During a call, press the VOL knob/button to switch the audio source from the car audio system back to your mobile phone.

• Adjust Call Volume

  • During a call, use the VOL knob or VOL + and VOL – buttons to adjust the volume level.
  • Use the MUTE button to mute the sound.

Audio Streaming (A2DP)

1. Press the /SRC button to enter BT mode and display media in the LCD.
2. When a mobile device is paired, music played through that device will automatically be heard through the car audio system.
3. Press the >>| or |<< button to play the next or previous on the mobile phone.
4. Press the >|| button to pause or resume music playback.

REMOTE CONTROL

Remove Insulating Sheet

The remote control comes with an insulating sheet attached to the underside of the remote control, as illustrated on the right. The remote control will not work until the insulating sheet is removed.

Replace Lithium Battery Cell

1. When the lithium cell battery becomes weak, replace it as illustrated on the right.
2. Press and hold the movable block in the direction indicated by arrow 1. At the same time, pull the cell holder out of the remote control in the direction indicated by arrow 2.
3. Replace the old cell with a new one, making sure the (+) polarity is facing upward.
4. Re-insert the cell holder into the remote control.

• Cell leakage may cause damage to the remote control.
• Do not throw cells into the fire as this may cause an explosion.
• Keep battery cells out of reach of children.

Remote Control Operation

Position the emitting window of the remote control
toward the sensor window of the unit.

• The operation angle for the front panel remote control reception is about 30 degrees.
• The distance between the emitting window of the remote control and the sensor window of the unit should remain less than 5 meters.

Button Names and Locations

1. Power button
2. BAND or button

3. || or 1 button

4. † 10 or 6 button
5. NEXT button
6. MUTE or DEL button
7. – 10 or 5 button
8. SEL (select) button
9. AMS (automatic music search) or 9 button
10. LOUD (loudness) or 8 button
11. RPT (repeat) or 3 button
12. VOL (volume) button
13. INT (intro) or 2 button
14. PREV (previous button
15. RDM (random) or 4 button
16. ST (stereo) or 7 button
17. CLK or button
18. SRC or button
19. EQ(Equalizer) or 0 button
20. LOC (local) button

Note: To operate the remote control, pull out the plastic from the battery compartment at the back of the remote control. Then point the remote control at the unit and start.

TROUBLESHOOTING

insert new one
Disc cannot be read| Disc was inserted upside down| Insert disc with label facing upward
Disc is dirty or scratched| Clean the disc or try to play a new one
Temperature inside the car is too high| Allow vehicle to cool before using player
No sound| Volume turned down| Adjust volume to the desired level
Wiring not properly connected| Check and repair wiring connection
Operation keys not working| Front panel not properly into place| Reinstall the front panel
Car interior is too hot| Allow vehicle to cool before using player
Sound skips| Installation angle is more than 30 degrees| Adjust installation angle to less than 30 degrees
Disc is dirty or scratched| Clean disc or try to play a new one
Radio does not work| Antenna cable not connected| Insert antenna cable
Automatic radio station selection does not work| Signals are too weak| Select a station manually

SPECIFICATIONS

General

• Power Supply Requirement………………………………………………………………………………. DC 12V
• Current Consumption ……………………………………………………………………………………..15A MAX
• Maximum Power Output……………………………………………………………………………….50W x 4CH

Radio FM

• USA/Europe……………………………………………………… 87.5 MHz – 107.9 MHz/87.5 – 108.0 MHz
• Usable Sensitivity ………………………………………………………………………………………………30 dBu
• I.F. Frequency………………………………………………………………………………………………..10.7 MHz

AM

• USA/Europe…………………………………………………………… 530 KHz – 1710 KHz/522 – 1620 KHz
• Usable Sensitivity ………………………………………………………………………………………………20 dBu
• I.F. Frequency………………………………………………………………………………………………… 450 KHz

CD/USB/Card

• Usable Audio Formats ……………………………………………………………………………..CD/MP3/WMA
• Pre-amp Output……………………………………………………………………………………..Front and Rear
• Frequency Response ……………………………………………………………………………..20 Hz – 20 KHz
• S/N Ratio …………………………………………………………………………………………………………….60dB

BT

• BT Profile supports……………………………………………………………………………….. A2DP, AVRCP, HFP
• Range of frequency……………………………………………………………………………….2.4GHz spectrum

3451 Lunar Court Oxnard, CA 93030 www.bossaudio.com 805.322.8794 tech support: www.bossaudio.com/support/technical- support. iPod@ and iPhone® are trademarks of Apple, Inc. registered in the U.S. and other countries BOSS Audio Systems is not affiliated with Apple, Inc. or Google, Inc. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by BOSS Audio Systems is under license. Other trademarks and trade names are those of their respective owners.

FREQUENTLY ASKED QUESTIONS

What is the BOSS Audio Systems MR508UABW Marine Boat Stereo Speaker?

The BOSS Audio Systems MR508UABW is a marine-grade stereo speaker designed for boats and other watercraft. It provides audio playback and is built to withstand the harsh marine environment.

Is the MR508UABW speaker weatherproof?

Yes, the BOSS Audio Systems MR508UABW is designed to be weatherproof, meaning it can withstand exposure to water, UV rays, and other outdoor elements commonly encountered on boats.

Does the MR508UABW speaker come with a built-in amplifier?

Yes, the BOSS Audio Systems MR508UABW marine speaker has a built-in amplifier, allowing it to produce sound without the need for an external amplifier.

What audio sources can the MR508UABW speaker support?

The MR508UABW speaker supports various audio sources, including Bluetooth wireless streaming, USB input, auxiliary input, and AM/FM radio.

Can I connect my smartphone or other devices to the MR508UABW speaker via Bluetooth?

Yes, the BOSS Audio Systems MR508UABW has Bluetooth functionality, enabling you to wirelessly connect compatible devices, such as smartphones, tablets, or MP3 players.

Does the MR508UABW speaker have a CD player?

No, the MR508UABW marine speaker does not have a built-in CD player. It relies on other audio sources, such as Bluetooth streaming, USB input, or auxiliary input.

Can the MR508UABW speaker connect to external speakers or amplifiers?

Yes, the MR508UABW marine speaker has preamp outputs, allowing you to connect additional speakers or amplifiers if desired.

Does the MR508UABW speaker have a display screen?

Yes, the BOSS Audio Systems MR508UABW features a built-in display screen that provides information such as track names, radio frequency, and settings.

Can I use the MR508UABW speaker with a remote control?

Yes, the MR508UABW marine speaker comes with a wireless remote control, allowing you to control various functions without having to directly access the unit.

Is the MR508UABW speaker compatible with satellite radio?

The MR508UABW speaker does not have built-in satellite radio capabilities. However, it has an auxiliary input and Bluetooth connectivity, which means you can connect external devices like satellite radio tuners to enjoy satellite radio.

Does the MR508UABW speaker support charging USB devices?

Yes, the MR508UABW marine speaker has a USB input that can be used to charge compatible devices such as smartphones, tablets, or other USB-powered devices.

Can the MR508UABW speaker remember radio station presets?

Yes, the MR508UABW speaker has a memory feature that allows you to save and recall your favorite radio station presets.

Does the MR508UABW speaker have built-in equalizer settings?

Yes, the BOSS Audio Systems MR508UABW comes with built-in equalizer settings that allow you to adjust the audio output to your preference. It typically includes preset EQ modes and customizable settings.

Can the MR508UABW speaker be used with headphones?

No, the MR508UABW marine speaker does not have a headphone output. It is primarily designed for powering external speakers or audio systems.

Is the MR508UABW speaker compatible with MP3/WMA files?

Yes, the MR508UABW marine speaker is compatible with various audio file formats, including MP3 and WMA.

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