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Important Safety Instructions

•  Read these Instructions.
•  Keep these Instructions.
•  Heed all Warnings.
•  Follow all instructions.
•  Do not use this apparatus near water.
•  Clean only with a dry cloth.
•  Do not block any ventilation openings. Install in accordance with the 

manufacturer’s instructions.

•  Do not install near any heat sources such as radiators, heat registers, stoves, or 

other apparatus (including amplifiers) that produce heat.

•  Do not defeat the safety purpose of the polarized or grounding - type plug. A 

polarized plug has two blades with one wider than the other. A grounding type 

plug has two blades and a third grounding prong. The wide blade or the third 

prong are provided for your safety. When the provided plug does not fit into 

your outlet, consult an electrician for replacement of the obsolete outlet.

•  Protect the power cord from being walked on or pinched particularly at plugs, 

convenience receptacles, and the point where they exit from the apparatus.

•  Only use attachments/accessories specified by the manufacturer. 
•  Unplug this apparatus during lightning storms or when unused for long 

periods of time.

•  Refer all servicing to qualified service personnel. Servicing is required 

when the apparatus has been damaged in any way, such as power-supply 

cord or plug is damaged, liquid has been spilled or objects have fallen into 

the apparatus, the apparatus has been exposed to rain or moisture, does not 

operate normally, or has been dropped.

FCC Warnings 

Warning: Changes or modifications to this unit not expressly approved by the 

party responsible for compliance could void the user’s authority to operate the 

equipment.

NOTE: This equipment has been tested and found to comply with the limits 

for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits 

are designed to provide reasonable protection against harmful interference in 

a residential installation. This equipment generates, uses, and can radiate radio 

frequency energy and, if not installed and used in accordance with the instructions, 

may cause harmful interference to radio communications. However, there is 

•  Completely replace all old batteries with new ones.
•  Do not mix alkaline, standard (carbon-zinc), or rechargeable (ni-cad, ni-mh, 

etc) batteries.

•  Batteries should be recycled or disposed of as per state and local guidelines. 
• 

WARNING:

 This product may contain chemicals known to the State of 

California to cause birth defects, or other reproductive harm (California Prop 

65). Wash hands after handling.

•  This product meets and complies with all Federal regulations.

Overview

Wireless Tailgate Speaker

User’s Guide for Model ISB657 v1870-01

no guarantee that interference will not occur in a particular installation. If this 

equipment does cause harmful interference to radio or television reception, which 

can be determined by turning the equipment off and on, the user is encouraged to 

try to correct the interference by one or more of the following measures:

•  Reorient or relocate the receiving antenna.
•  Increase the separation between the equipment and receiver.
•  Connect the equipment into an outlet on a circuit different from  

that to which the receiver is connected.

•  Consult the dealer or an experienced radio/TV technician for help.

Additional Warnings and Precautions

•  CAUTION

: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE 

OF PLUG TO WIDE SLOT, FULLY INSERT.

•  Mains plug is used as disconnect device and it should remain readily operable 

during intended use. In order to disconnect the apparatus from the mains 

completely, the mains plug should be disconnected form the mains socket 

outlet completely. 

•  WARNING

: Shock hazard - Do Not Open.

• 

CAUTION:

 Use of controls or adjustments or performance of procedures 

other than those specified may result in hazardous radiation exposure.

•  WARNING:

 Changes or modifications to this unit not expressly approved by 

the party responsible for compliance could void the user’s authority to operate 

the equipment.

•  WARNING:

 Do not place this unit directly onto furniture surfaces with any 

type of soft, porous, or sensitive finish. As with any rubber compound made 

with oils, the feet could cause marks or staining where the feet reside.  We 

recommend using a protective barrier such as a cloth or a piece of glass 

between the unit and the surface to reduce the risk of damage and/or staining.

• 

WARNING:

 Do not ingest battery, chemical burn hazard.

•  CAUTION: 

Danger of explosion if battery is incorrectly replaced. Replace 

only with the same or equivalent type.

•  Battery shall not be exposed to excessive heat such as sunshine, fire or the 

like.

 

•  Keep new and used batteries away from children. If the battery compartment 

does not close securely, stop using the product and keep it away from children.

•  If you think batteries might have been swallowed or placed inside any part of 

the body, seek immediate medical attention.

•  Do not mix old and new batteries. 

Microphone Inputs 

USB Media Port/  

USB Charging Port 

Aux In /DC Power Input 

Power Switch

Repeat/Memory

Press to repeat the current 

track or entire album  

(USB MODE).

Press to save radio station 

as preset (RADIO MODE).

EQ / 10+

Press to cycle through Pop, 

Rock, Jazz, Classic, and Flat.

Press and hold to jump  

10 audio tracks  

(USB MODE ONLY).

Skip/Tune

Press to skip forward or 

back, press and hold for  

fast forward/rewind  

(USB MODE). 

Press to tune to FM radio 

frequencies (RADIO MODE). 

Source

Press to change  

audio source.

Play / Pause / Stop / Pair

Press to play and pause 

audio, press and hold to 

stop audio.

Press and hold to begin 

pairing (BLUETOOTH).

EH -/+

Press to adjust the  

echo effect.

Mic -/+

Press to adjust the 

microphone volume.

Light

Press to turn lights  

ON or OFF.

WARNING: To reduce the risk of electric shock, do 

not remove cover (or back). No user-serviceable parts 

inside. Refer servicing to qualified service personnel.

ATTENTION

RISQUE D' ÉLECTROCUTION

NE PAS OUVRIR

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

The exclamation point within an equilateral triangle is 

intended to alert the user to the presence of important 

operating and maintenance (servicing) instructions in 

the literature accompanying the appliance.

This symbol indicates that this product incorporates 

double insulation between hazardous mains voltage and 

user accessible parts.

The lightning flash with arrowhead symbol, within an 

equilateral triangle, is intended to alert the user to the 

presence of un-insulated “dangerous voltage” within the 

product’s enclosure that may be of sufficient magnitude 

to constitute a risk of electric shock to persons.

Display 

Indicator Lights

Solid Red = Battery Low 

Solid Red = Battery Charging

Green = Battery Charged

Carry Handle 

Retractable 

Pull Handle 

Wheels

Features

•  Bluetooth wireless- range 60 ft.
•  LED light effects
•  FM radio - up to 20 station presets
•  USB media port for MP3 play 
•  USB power port (1A) for mobile device charging
•  2 microphone inputs
•  Microphone volume and echo control 
•  3.5mm Aux In
•  Carry handle
•  Retractable pull handle & wheels
•  DC power: requires AC/DC power cable (included)
•  Built-in rechargeable battery
•  Battery life: approx. 3 hrs playtime

Includes

•  AC/DC power adapter
•  User’s Guide

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