Parts Express 300-7310 Installation guide

Brand: Parts Express

Model: 300-7310

Category: Car speakers

Type: Installation guide

Parts Express 300-7310 is a portable Bluetooth speaker system that allows you to enjoy your favorite music on the go. Equipped with two 3" full-range speakers, it delivers clear and powerful audio. The built-in rechargeable battery provides up to 8 hours of playtime, and the included remote control lets you adjust volume and EQ settings from a distance. With its compact size and durable construction, the 300-7310 is perfect for outdoor activities, parties, or simply relaxing at home.

Mini Ammo Box Installation Manual

#300-7310 (Blue) / #300-7311 (Pink)

parts-express.com

Drill a 9/16" (15mm) hole for the power switch at least 1"

above the DC power hole and in the center of the ammo

box. If using a 9/16" drill bit you may have to ream it out

a little for the switch to fit. Make sure it’s a tight fit. Wait

to install the switch until the wires are ready.

5. Correctly install the 18650 batteries by matching the

polarity of the board to the polarity of the batteries.

The dimple in the battery is the + side.

6. Install the battery board to the aluminum L-bracket

with the 2.1 x 5.5mm DC jack facing away from the L

side of the bracket and the batteries facing the bracket

with 10mm standoffs and included M3 screws.

7. Place two 3" strips of the included double-sided tape to

the L-bracket and install the bracket so it lines up with

the DC jack on the battery board. Stack two to three

small strips of double-sided tape together and use a

paper hole punch to make a hole in the stack. Place the

tape between the DC jack and the hole in the ammo

box to help keep it sealed. Once the battery board

is securely installed, place a piece of paper over it to

prevent any metal from touching the board.

8. Install the speakers by carefully placing the terminals

in first. Drill 1/32" pilot holes for the included #6 black

screws. Tighten the screws in a cross pattern.

1. Start by cutting two 2" holes for each speaker. The

bottom of the speaker hole should be 1-3/4" from

the bottom of the ammo box. The holes should also

be 5/8" from the outside edge of the ammo box. A 2"

hole saw works well if available.

2. At the top of each hole cut out 1-1/2" W x 3/8" to

make room for the speaker terminals. Use a Dremel

tool for this cutout if available. Jigsaw might crack the

plastic. Insert speakers to make sure the hole is large

enough, but don’t permanently install the speakers

until the battery board is in place.

3. In the rear of the ammo box drill a 1/4" hole 3-1/2"

from the right edge of the ammo box and 9/16" from

the bottom of the ammo box. This will line up with the

power jack on the battery board when it’s installed.

9. Use the 18 gauge

speaker wire and

crimp the large quick

disconnect to the red

wire and the small

quick disconnect to

the black wire. Always

strip at least 1/4" of

the insulator off to

expose the bare wire

and twist the bare

strands together

before crimping. One speaker wire should be around

11" and the other wire around 8". The bare wire ends

will go into the left and right speaker terminal screws

on the amp board.

10.

Use the black and red power wire with the black plug

that came with the battery board to wire to the switch.

Cut 5" away from the black plug both the red and black

wire. Crimp a quick disconnect to the red 5" wire. Place

both bare wire ends of the black wire into one quick

disconnect and crimp it. Identify the bronze terminal on

the switch and push the switch into the hole you made

in the ammo box. The black wire hooks to the bronze-

colored terminal on the switch and the other black

bare wire end hooks to the – power screw terminal

on the amp board. The red wire hooks to the center

silver terminal. Crimp the remaining quick disconnect

to the remaining red bare wire and hook it up to the

outer silver terminal. The other end of the bare red

wire goes to the +

power terminal screw

on the amp board.

Remove the paper

that was suggested

to cover the battery

board. Connect the

black power plug

to the black power

socket on the

battery board.

Make sure

all the wires

are securely

crimped inside

the quick

disconnects.

Soldering is

always better, but to make this kit solderless we had to

use quick disconnects. Secure the amp board to the lid

of the ammo box with the remaining double-sided tape.

Lift and carefully twist the IR silver receiver so the black

dot faces the front of the ammo box.

11.

Plug the power supply into the DC power jack in the

back of the ammo box to kick start the batteries. Turn

the power switch on and sync your Bluetooth device to

the amp board. Turn the volume up to 3/4 and close

the ammo box lid making sure none of the wires get

pinched. Pull the battery protect tab out of the remote

and play your favorite song. Point the remote at the

front of the ammo box to adjust the volume and EQ

settings. Make sure you charge the batteries all night.

You can turn the ammo box off with the remote, but

you’re in standby mode which still slightly drains the

batteries. Turn the power switch in the ammo box off to

reserve battery power. If you turn the power switch on

and noticed that the box has no power, plug the power

supply in for 5 seconds to kick start the battery board.

Additional Options

12. Additional things can be done to improve the sound.

Adding Acousta-Stuf Polyfill might help to prevent a

hollow-sounding ammo box. Small base ports might

give you a little extra bass.

13. To protect the speakers use a small speaker grill or

metal fan guard.

14. Cut holes in the front of the ammo box to manually

increase volume, use the line input, and insert flash

drives externally. The only mounting support would

be from the volume shaft nut and you would lose the

sound seal.

parts-express.com

725 Pleasant Valley Dr. Springboro, OH 45066 USA (800) 338-0531

Parts Express 300-7310 Installation guide

Brand: Parts Express

Model: 300-7310

Category: Car speakers

Type: Installation guide

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Parts Express 300-7310 Installation guide

Parts Express 300-7310 Installation guide

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