Best Variable Weight

BOSS Audio Systems AR4000D Class D Car Amplifier - 4000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Car Subwoofers

...fers that demand the heavier power load requirements to be able to perform the way they were made to.
Strapping Capable - You are able to strap two AR4000D amplifiers and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 14.3 x 6.5 x 2.8, Weight: 7.96 lbs..
Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

Kayak Shaft: 24-Inch Fiberglass Shaft Allows For Variable Depth Placement, While Offering A Lifetime Of Dependable Performance.
Variable Speed: 8 Speeds (5 Forward & 3 Reverse) With 6-Inch Telescoping Handle Puts You In Total Control Of Your Ride.
Saltwater Rated: Durable All Aluminum Motor Head W/ Corrosion Resistant Magnesium, Zinc, And Stainless-Steel Hardware For Saltwater Use (Lead-Acid Dc 12V).
Extra Long Cables: 5'6" Battery Cables Allow For Versatile Battery Placement For Optimal Weight Distribution.

Specifications: Amp Class: Class D, Amp Total Channels: 1, Amp Max Power (watts): 1500..
Amp Power 1 Ohm (ch x watts): 1 x 1500, Amp Power 2 Ohms (ch x watts): 1 x 750, Amp Power 4 Ohms (ch x watts): 1 x 375, Amp Crossover: Variable....
Amp Variable Low Pass Crossover 12dB per Octave: 40Hz-300Hz, Amp Tone Control / Parametric EQ: Built-in bass control, Amp Bass Boost: 0-9dB, Amp....
Amp Variable Voltage: 0.2-6V, Amp Frequency Response: 10Hz-500Hz, Amp Total Harmonic Distortion (THD): 0.1%, Amp Speaker Level Audio Inputs - Yes, Amp....
Color: Silver, Warranty: 1 Year, Item Weight (lbs): 4.5, Item Length (in): 9.45, Item Width (in): 5.75, Item Height (in): 2.5..

Ball bearing motor, Aluminum Gear Housing.
Trigger grip handle provides better control, reach and leverage.
Variable speed switch allows the user to determine the best speed for the application.
Auto-stop carbon brushes help prevent damage to motor..
Specifications: Voltage: 110-120V/50-60 Hz.
Power Cord Length: 6-3/4 Ft-Long(2.06M), 18AWGx2C.

ALL-IN-1 WEIGHT SYSTEM: Combines a range of fixed workout bar options in 1 compact, heavy-duty variable weight system.
CHOOSE YOUR WEIGHT: Replaces 26 fixed weight bars.
Select weight from 20 to 80 pounds at the turn of a dial.
SAFE AND SECURE: Securely lock in your selected weight into place by pressing selector dial into the housing.
COMES WITH STORAGE RACK: Included twin bar rack allows for rapid and easy changing between straight and EZ-curl bars.
COMPLETE WEIGHT BAR KIT: Comes with patented rack with pinion design, 1 straight bar, 1 EZ-curl bar, and weight plates.

Variable speed control with lever, for an optimal control when working Separate on/off switch, for easy and safe handling.
Brushless motor, no need to change brushes, less down time.
Vibration reduction system, minimizes the vibrations for your main application.
Variable Speed (Two Mode: On/Off or Throttle) 4,000-10,000 rpm.
Low profile and low weight, Orbit 3/16” (5.0mm).

Features: KICKER 46CXA18001T CXA1800.1 1800 Watt RMS Mono Class D Car Audio Amplifier Amp. Efficient Class-D amplifier. Three-second turn-on/off delay to eliminate unwanted interference. Variable 12dB crossovers provides control to dial in perfect sound.
KickEQ 6dB variable bass boost for those additional low frequencies. 24dB subsonic filter for protection from potentially damaging frequencies. FIT+ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio. Accepts up to 40-volt input signal.
Small footprint for easier installation. Compatible with CXARC Remote Bass Control. Vertical mounting hardware included for another unique look. Dimension (L x W x H): 18.25 inch x 9 inch x 4 inch. Weight: 9.55 lbs. Specifications: Power Rating: .4 ohms: 900 watts x 1 chan..
.2 ohms: 1800 watts x 1 chan. CXRC Remote Bass Capable (sold sep.). Dimensions: 14-3/8 in. (36.4 mm). Frequency Response: 25 - 200Hz. Input sensitivity: Low level: 250mV-10V.
High level: 1V-40V. Signal to Noise Ration: >95dB. Active Crossover: Variable Lo-pass 50Hz200Hz, 12dB/octave.

... precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry.
Strapping Capable - You are able to strap two R3400D amplifiers and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 13.5 x 10.44 x 2.25, Weight: 7.63 lbs..
Warranty - BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

...fers that demand the heavier power load requirements to be able to perform the way they were made to.
Strapping Capable - You are able to strap two AR3000D amplifiers and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 12.31 x 6.50 x 2.80, Weight: 6.86.
Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality.