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Overview: The Poly-Planar
MP3-Kit 7 is a waterproof marine audio system that allows you to listen to your portable MP3 audio player through
installed marine audio components on your watercraft or off-road vehicle. The Poly-Planar MP3-Kit 7 includes a 120 watt waterproof amplifier (ME-60) with
separate panel mount waterproof volume control knob, panel mount 3.5mm MP3
adapter (IC3.5-PM) for your MP3 player, a pair of box waterproof speakers
(MA-7500), and box subwoofer (MS-55). The MP3-Kit 7 provides the ability to have stereo sound on a
small watercraft such as Jet Ski, inflatable's, or tenders. Its also, a perfect
solution for off-road vehicles, motorcycles, ATVs, and golf carts. The MP3-Kit 7
is easily installed where space is a premium. The ME-60 amplifier can be mounted
underneath a seat or inside the boat's structure. The IC3.5-PM MP3 adapter and
Volume Control can be mounted on the dash or inside the stowage compartment. And
with the included Poly-Planar waterproof speakers and subwoofer, you'll have crisp, clear
stereo sound on the go.
Marine Speaker & Sub
Marine Rated: The
Poly-Planar ME-60 marine amplifier's corrosion resistant enclosure is waterproof (IP65) and designed for use in harsh marine environments. Its
compact, water resistant design allows for flexible mounting possibilities on
4-Channel Amp: The ME-60 is a 4-channel audio amplifier
capable of delivering up to 30W RMS per channel (20-40,000Hz). This 4-channel
marine amplifier can power up to eight 4-ohm speakers. It can handle impedance
loads ranging from 2 to 8 ohms.
- Output Power (2-ohm load): 30W x 4ch (RMS rating)
- Output Power (4-ohm load): 20W x 4ch (RMS rating)
Distortion Limiting Circuitry: The marine
amplifier utilizes distortion limiting circuitry that helps prevent harsh
distortion and provides better sound quality for your system.
Amplifier Controls: The amplifier's control switches
and gain settings are hidden behind a watertight rubber plug on the side
of the amp.
- Input Level: This switch selects the
input sensitivity of the amplifier. You can select between either a
Low-level or Hi-level input through the amp's RCA connections. If you are
connecting the amplifier to a preamp output on your stereo then use the
Low-level setting. Use the Hi-level setting if you are connecting the
amplifier using the supplied MP3 adapter cable to your MP3 or other portable
audio device through the headphone output.
- Low Pass Filter: The amp's low pass filter switch is used
optimize the rear channels for either full-range speakers (20-20kHz) or a subwoofer
- Gain Control: This control adjusts
the overall level of the amplifier to match the amplifiers input voltage
with your head unit's or other audio source output voltage.
- Wired Remote Control: The ME-60 marine
amp comes supplied with a wired remote control rotary volume knob for added
convenience. The wired rotary knob features a self-adhesive backing for mounting
the wired remote to a flat surface on your boat. The rotary knob features a 9'
cable that plugs into the volume control port on the side of the
Amplifier Connections: The marine
amplifier features the following connections.
- Input: Stereo RCA audio input on a
4" pigtail for connecting your audio source device.
- Volume Control: 3.5mm minijack plug
on 4" pigtail used to connect the supplied waterproof wired remote
- Power/Ground/Turn-On: The 7" black & red wires of the
Power connection should by connected directly to the 12 Volt battery, power
supply or main fuse block using wire 16-AWG or larger. The red power lead
features an in-line 15A fuse. The 7" blue remote wire connects to
your head unit, an on/off toggle switch, or an accessory circuit to turn on
- Speaker Output: The 7" white, gray, green, purple
speaker wires connect to 2 pair of loudspeakers (Front left, Front right,
Rear left, Rear right).
- Width = 6.875"
- Height = 1.5625"
- Depth = 4.1875"
Marine Speaker & Sub
Marine Rated: The Poly-Planar marine speakers & sub are
waterproof and corrosion proof and designed for permanent outdoor mounting in
the saltwater environment. The speakers can even be hosed down when cleaning
your boat. The speakers are also UV stabilized for protection against damage
from exposure to sunlight.
Pair of Waterproof Speakers: The Poly-Planar MP3-Kit 7 includes a pair
of 2-way marine box speakers. The marine box speakers include multi-function
gimble mount brackets. These brackets may be mounted either horizontally or
vertically. For security, the speakers can be easily removed with the brackets
left in place. Each speaker features an attached 10' speaker wire to connect to
the marine amp.
Waterproof Subwoofer: The MS-55 is a compact, waterproof subwoofer
designed to work in concert with the Poly-Planar marine box speakers and
amplifier. It provides the low-frequency audio that smaller speakers cannot
produce. The marine box subwoofer features a computer optimized acoustic design
with a highly-efficient, long-throw, dual-voice coil driver. The MS-55's small
size allows it to be mounted in a variety of hidden locations while providing
rich, accurate bass. The rubber isolation feet prevent any unwanted vibration.
An attached 5" speaker wire connects to the marine amplifier.
- Waterproof Speakers:
- Width = 5.125"
- Height = 7.875"
- Depth = 5.0"
- Waterproof Sub:
- Width = 11.5"
- Height = 4.75"
- Depth = 8.5"
MP3 Adapter: The Poly-Planar MP3 adapter
is 4' long and features stereo RCA male connectors on one end and a mountable
female 3.5mm minijack plug that uses a waterproof rubber protection plug on the
other end. The adapter allows you to connect a portable MP3 or other portable
audio source that uses a 3.5mm minijack output to the included marine amplifier
through the amps stereo RCA preamp inputs. The panel-mountable 3.5mm plug
requires a 3/4" diameter hole for installation and features a plastic nut to
secure the plug in place.
Extension Cable: The MP3 adapter also comes with a 4' minijack extension cable that features a 3.5mm male minijack
connector on each end. One end plugs into the MP3 adapter's panel-mount plug
while the other end plugs into the headphone or audio output of your portable