✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Instant Savings 2 Rockville Ms40w White 4" Speakers+kicker Marine Tower Enclosures+bluetooth Amp Special: 45% Discount [DVY9ghxn]

$47.99 $153.99 -69%

Package Includes: (1) Pair Rockville MS40W White 4" 200 Watt Marine Boat Speakers Compact and Powerful (1) Pair Kicker 40KMMTESW 4" Mini Marine Tower Enclosures in White (1) Rockville ATV220 2 Channel UTV/Motorcycle Bluetooth Amplifier IP65 Micro Amp

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Instant Savings 2 Rockville Ms40w White 4" Speakers+kicker Marine Tower Enclosures+bluetooth Amp Special: 45% Discount [DVY9ghxn]

Package Includes:

  • (1) Pair Rockville MS40W White 4" 200 Watt Marine Boat Speakers Compact and Powerful
  • (1) Pair Kicker 40KMMTESW 4" Mini Marine Tower Enclosures in White
  • (1) Rockville ATV220 2 Channel UTV/Motorcycle Bluetooth Amplifier IP65 Micro Amp

Video of MS40:

What's In the Box:

  • 2 Speakers
  • Installation Hardware: (8 Stainless Steel Screws + 8 Stainless Steel Speed Clips)
  • Mounting Template
  • Owner's Manual
  • Warranty Card
Features:

  • Pair Rockville MS40W 4" 200 Watt Waterproof Marine Boat Speakers
  • Peak Power: 200 Watts per pair / 100 Watts each
  • RMS Power: 50 Watts per pair / 25 Watts each
  • Color: White
  • Injection Molded Polypropylene Cone
  • Aluminum voice coil with ASV winding
  • Cloth surrounds
  • Impedance: 4 Ohm
  • Frequency Response: 122Hz – 20 Khz
  • Sensitivity: 85dB @1w/1m
  • High quality magnet: 3.5 Oz Y30 Ferrite magnet
  • 1” inch ASV voice coil
  • IP56 waterproof rating
  • Fully Marinized Against Salt & Fresh Water Conditions
  • Completely Waterproof and rustproof at level IP56
  • Anti-UV molded ABS plastic basket & grill
  • Pre-installed mounting screws included
  • Perfect for marine, outdoor, and car use
  • 1” inch Tweeter: (Mylar Diaphragm with NdFeB magnet)
  • Injection Molded Polypropylene Dust Cap
  • SPL: 85dB ± 2dB (at 1M / 1W)
  • Resonant Frequency (F0) 122Hz + or – 20% at 1V
  • 3MM plate and 3 MM T-yoke
  • Total Diameter: 5.12”
  • Cutout Diameter in Inches for Mounting: 3.66”
  • Total Height: 2.36”
  • Mounting Depth in inches:1.57’’
  • Shipping weight: 1.76 Lbs
  • Shipping Dimensions:6” x 6” x 5.7”
T/S Parameters:

  • Magnet details: F60*F24*8 Y30
  • Fs: 154.7 Hz
  • Re: 3.2 ohms
  • Qes: 2.57
  • Qts: 1.611
  • Qms: 4.315
  • Vas: 0.847L
  • Cms: 210.222UM/N
  • Bl: 2.468T
  • MMS: 5.029g
  • XMAX: 1.5 mm
  • SD: 54 cm2


Description of 40KMMTESW:

Mounting powerful 4-inch KICKER speakers for external listening in marine and powersport applications just got easier with KICKER's durable and weather-proof KM-Series Tower-Speaker Empty Enclosures.

Options
Includes acoustic poly-fill for clearest sound and all mounting hardware including rubber adapter inserts for use with the most popular tower round-tubing diameters: 7/8", 1", 1-1/8", 1-1/4", and square 1".
Also compatible with 1-1/2" round tubing without rubber inserts.

Bold
With its bold cosmetics, the white high gloss KM enclosures with contrasting accent details complement KICKER's 4-inch coaxial marine speakers.

Aim to Please
Designed with a 360-degree axis rotation in either direction, allowing the speaker cans to be aimed in the most desirable location to deliver maximum sound quality.

Specifications:

  • Speaker Fitting: 4" Speakers
  • Materials: Tough ABS, weather-proof
  • Aiming: Nine-degree axis rotation in either direction for aiming maximum sound quality
  • Fits Mounting Tube Sizes: Utilizing included rubber inserts: 7/8", 1", 1-1/8", 1-1/4", and square 1". Also compatible with 1-1/2" round tubing without rubber inserts.
  • Connectors: Via wiring harness
  • Includes: Mounting hardware and polyfill

All About Your ATV220:


How To Set Up Your ATV220:


How To Set Up Your ATV220 To a Head Unit:


Wires, Inputs, Outputs explained on your ATV220:


Description:

The Rockville ATV220 is a 2 channel amplifier for your ATV. It will deliver 180 x 2 @ 2 ohms RMS. We dyno-test the amp to make sure you get the power we promise.

This amp is IP65 which means even if you submerged it in water for a few seconds it would still function fine. This means you do not need to worry about your amp breaking when you spray down your vehicle.

The built in Bluetooth is great because you do not even need a head unit or controller. You can just install this amp and wire it to your speakers and Bluetooth your phone to the amp.

This amp is super compact making it easy to install in tight spaces.

If you want the most waterproof and high performing ATV amplifier on the market then this is a great option for you.

Features:

  • Rockville ATV220 2 Channel UTV/Motorcycle Bluetooth Amplifier IP65 Waterproof Micro Amp
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc)
  • 2 Ohms: 400 Watts (2 x 200 Watts)
  • 4 Ohms: 250 Watts (2 x 125 Watts)
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc):
  • Peak 2 Ohms: 1600 Watts (800 x 2 Watts)
  • Bridged Power Rating: 4 Ohms Bridged: 400 Watts
  • Built in Bluetooth Wireless with Auto Pairing (You can run this amp without any receiver)
  • IP65 waterproof rating
  • All inputs and wire wiring is sealed and covered
  • Conformal coated circuit board
  • Anti rust materials
  • This is one of the only amps on the market that is IP65. That means even if you submerged it for a couple of seconds it would work fine
  • Efficiency at Full Power 4 Ohm (1kHz) 84.8%
  • Efficiency at Full Power 2 Ohm (1kHz) 77.8%
  • Micro Size amplifier can easily fit in tight spaces
  • Digital Class D Audio Topology
  • Distortion(THD): =0.5%
  • Full Range/Low Pass/High Pass Configurable
  • High Input (Speaker level Input)
  • Low Pass Crossover: 32Hz-320Hz
  • High Pass Crossover: 32Hz-320Hz
  • Waterproof sheath RCA Input
  • Frequency Response: 20Hz-22KHz
  • Signal to Noise Ratio:  (1 Watt into 4 Ohms) =80dB
  • Input Sensitivity: 0.2V-6V
  • Speaker level Input Sensitivity: 0.5V-15.5V
  • Stereo Separation: =50dB
  • Fuse Rating: 35A
  • Dimensions (Inches): 8.66" L x 3.74" W x 1.73" H
  • High-Speed MOSFET Power supply
  • Status Mode LED Indicator
  • Waterproof Grade: IP65

What Our Customers Say

January 17, 2026

Absolutely no complaints!

This is a really good and a very, very useful tool.

- Efa Y..

January 17, 2026

Absolutely no complaints!

This is a really nice and a very, very, very solid product.

- Manon M..

January 17, 2026

Absolutely no complaints!

A very dependable and a truly effective item.

- Isidore E..

Write a Review

You Might Also Like

Discover more great products from our collection.

Tank Body, Hayward S164T, 16

Tank Body, Hayward S164T, 16"

(973)
$57.99 $185.99 -69%
Kit Bolt: 333/G3315

Kit Bolt: 333/G3315

(502)
$24.99 $79.99 -69%
Configuration

Configuration

(47)
$128.99 $412.99 -69%
Olga Block 60 Brown

Olga Block 60 Brown

(800)
$52.99 $169.99 -69%
Rubber Tree

Rubber Tree

(82)
$27.99 $89.99 -69%

Copyright 2026 © technovaprecision.com

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY