HYDRO Full Range Digital Marine 4-Channel Amplifier - 720W Whether you are the type of audio enthusiast that likes to hit the open road on his bike, ride the rough trails on your side by side, or cruise the open waters, you are going to need a powerful and waterproof rated  amp that has a small footprint and also make great power.  DS18 has a line just for the job with the NXL series of amplifiers to power your whole system. This 4 channel amplifier helps you accommodate for all your different speaker setups without having to look further. Being a full range amps, these can be run on subs, mids, or tweeters because of the internal design of the amp.  All units have stable and reliable 4-layer PCB layouts, IPX67 rated for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification. Features: Stable and reliable 4 layers PCB layout design IPX67 Waterproof for Powersports applications Ultra compact size for easy installation Audio precision quality control verification  Technical Specifications: Number of Channels: 4 Frequency Range: 20Hz - 20KHz Max Power:    720W  2 Ohm RMS Power Per Channel: 150W x 4 4 Ohm RMS Power Per Channel: 100W x 4 4 Ohm Bridged Power Per Channel:  260W x 2 Signal-to-Noise Ratio: 90 dB Dimensions (L x W x H) - 200mm x 93.4mm x 39.8mm *Sold as an Individual WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

HYDRO Full Rangle Digital Marine 2-Channel Amplifier - 600W Whether you are the type of audio enthusiast that likes to hit the open road on his bike, ride the rough trails on your side by side, or cruise the open waters, you are going to need a powerful and waterproof rated  amp that has a small footprint and also make great power.  DS18 has a line just for the job with the NXL series of amplifiers to power your whole system. This 4 channel amplifier helps you accommodate for all your different speaker setups without having to look further. Being a full range amps, these can be run on subs, mids, or tweeters because of the internal design of the amp.  All units have stable and reliable 4-layer PCB layouts, IPX67 rated for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification. Features: Stable and reliable 4 layers PCB layout design IPX67 Waterproof for Powersports applications Ultra compact size for easy installation Audio precision quality control verification  Technical Specifications: Number of Channels - 2 Frequency Range: 50Hz - 250KHz Max Power - 900W  2 Ohm RMS Power Per Channel - 150W x 2 4 Ohm RMS Power Per Channel - 100W x 2 4 Ohm Bridged Power Per Channel - 300W x 1 Signal-to-Noise Ratio - 90 dB Dimensions (L x W x H) - 7.87" x 3.68" x 1.57" *Sold as an Individual WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

HYDRO Flush Mount Full Range Digital Marine 4-Channel AMP w/Voltmeter - 1200W Whether you are the type of audio enthusiast that likes to hit the open road on his bike, ride the rough trails on your side by side, or cruise the open waters, you are going to need a powerful and waterproof rated amp that has a small footprint and also makes great power.  The F4 is an exact duplicate of the very popular NXL-400.4 but is now offered in flat-mount configuration so you can keep a flush and clean look to your install. DS18 has a line just for the job with the NXL series of amplifiers to power your whole system. This 5 channel amplifier helps you accommodate all your different speaker setups without having to look further. Being full range amps, these can be run on subs, mids, or tweeters because of the internal design of the amp.  All units have stable and reliable 4-layer PCB layouts, IPX67 rated for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification. Features: Flush / Flat mount design so you can keep your install looking clean and flush Stable and reliable 4 layers PCB layout design IPX67 Waterproof for Powersports applications Ultra-compact size for easy installation Audio precision quality control verification  Technical Specifications: Number of Channels - 4 Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 160W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 100W 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 320W Signal-to-Noise Ratio - >95dB Product Dimensions: (L x W x H) - 238mm x 135mm x 41mm *Sold as an Individual

G1000.4D Full-Range Class D 4-Channel Amplifier - 1000W DS18’s GEN-X Series has a successor and is guaranteed to boost all systems to top-of-the-line performance! The brand new G1000.4D is designed for the competitor and enthusiast on the journey to creating the method of their dreams! The G1000.4D delivers pure power with unmatched reliability and efficiency so you can trust the heart of your system will never give out. As a Class D amplifier, the G1000.4D uses Class D circuitry components significantly smaller than your average amplifier, making it the perfect size for any vehicle’s custom build: but, what it lacks in size it makes up for in power. The G1000.4D comes with a variable full crossover filter for crystal-clear audio whenever you want it! Fully adjustable High Pass, Low Pass, and Full Filters give you control over your sound!  Surface mount component technology allows for creative control over the placement and design of your build! High-Level Input Compatibility for direct signaling to radio unit! Protect your equipment effectively with Protection, Clipping, and Power Indicator LEDs that notify you when your amplifier has reached its limit! The G1000.4D has a power output of 300W x 2 CH bridged at 4 ohms, 150W x 4 CH at 2 ohms, and 90W x 4 CH at 4 ohms: perfect power settings to supercharge any custom build. Features: Small and powerful design so you can power your subs with excellent efficiency and power without taking up much space High-quality terminals that look great and will transfer your power and signal with no loss. High-level input for easy factory integration. LED Clip Indicator for easier adjustment Stable and Reliable Class D Circuit Design Sound Quality Verification Using AP Instruments Direct Insert Power and Speaker Terminals Short Circuit, Thermal, and Voltage Protection Technical Specifications: Number of Channels - 4 Frequency Response - 20Hz - 20KHz  2 Ohm RMS Power Per Channel - 4 x 150W  4 Ohm RMS Power Per Channel - 4 x 90W  4 Ohm RMS Power Bridge Channel - 2 x 300W  Signal-to-Noise Ratio - >90dB  Product Dimensions: (L x W x H) - 8.1" x 4.72" x 1.96" *Sold as an Individual

HYDRO 4-Channel Full Range Digital Marine Amplifier The NVY series was manufactured to put power back into your hands whether you’re out on the great blue or maneuvering on the dirt path less traveled. Our latest amplifier added to this series has an IPX waterproof rating of IPX7, giving this fortified beast of a machine the ability to be submerged in water as deep as 1 meter for up to 30 minutes. It also has a 2 CH/4 CH input selector giving you complete control over how much power gets designated to each speaker. Place this amplifier anywhere using our Direct Power harness design manufactured to give you creative control over where you get the wave-making tunes on your marine vehicle. Features: The included marine-grade fuse and fuse holder connected to your primary power wire will help with ultimate protection against the elements. Latest Digital amplifier design with SMC technology Submergible IPX7 Waterproof Rating UV, Salt, and Fog protection 2 CH/4 CH Input Selector Maximum output of 350W x 2 CH bridged at 4-Ohms, 200W x 4 CH at 2-Ohms, and 120W x 4 CH at 4-Ohms Technical Specifications: Total Watts (Peak) - 1440 Watts RMS Power @ 4 ohm - 4 x 120 Watts RMS Power @ 2 ohm - 4 x 200 Watts RMS Power @ 4 ohm Bridge - 2 x 350 Watts Frequency Response - 20Hz - 20KHz  Signal to Noise Ratio 1W@4Ω - >90 dB Measurements - 10" (L) x 4.5" (W) x 1.9" (H) Heatsink Length - 8.5" *Sold as an Individual

Candy-X4B 4 Channel Amplifier - 1600W  Small, compact, and powerful is what the DS18 Candy-X4B amplifier is all about.  Just like edible candy, we have many different flavors to choose from to give audio enthusiasts goosebumps when they turn it up.  Instead of making your mouth tingle, DS18 Candy Amplifiers make your ears tingle with pleasure when you hook them up to any line of pro audio, marine, and power sports audio. These amplifiers not only have the power to keep your speakers at maximum wattage efficiently, but they are also very small and compact in design so they can be mounted almost anywhere and still not have to worry about room. DS18 Candy amplifiers are perfect for people who want a very small audio footprint with also having all the benefits of a huge amplifier putting out lots of power in a small package. Features: One of our most popular lines of automobile amplifiers because of its power output to size ratio Small and powerful design that gives it a wide range of versatility because of its size High-grade components made to stand the test of time and give you loud sound on demand RCA and Hi/Lo inputs so you can integrate this amp into your factory audio system easily Technical Specifications: Number of Channels - 4 Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 120W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 80W Signal-to-Noise Ratio - >100dB Product Dimensions: (L x W x H) - 9.21" x 5" x 1.87" (23.4 x 12.7 x 4.75 cm) *Sold as an Individual

MA754AM 4-Channel Amplifier - 75W The marine A754 4-channel amplifier delivers a powerful 75-watt RMS to each of the front and rear speakers in a boat. You can also bridge the amp to 2-channel mode to drive a couple of subs with a 200-watt RMS or 3-channel mode to drive both a pair of full-range speakers and a subwoofer. Speaker-level inputs allow this amplifier to integrate into almost any system, even one using a marine factory radio. Separate high-pass and low-pass crossovers on the front and rear channels allow users to dial in the perfect roll-off to best suit speaker placement and cabin acoustics. Features: Compact size High and low-level input Variable crossover and bass boost Low noise and distortion Input Level Control Full on-board protection   Phase Switch RBC wired remote Class D amp technology Turn-on mode General Specifications: 4-channel marine amplifier 75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms) 200 watts RMS x 2 at 4 ohms in bridged mode (4-ohm stable in bridged mode) Variable high- and low-pass filters (32-320 Hz, 12 dB/octave) on front and rear channels Preamp and speaker-level inputs Preamp outputs Fuse rating 30A x 2 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier Dimensions (W x H x D) 320mm x 51.3mm x 180mm (12-5/8” x 2-1/16" x 7-1/8”) What’s in the Box: One marine A754 4-channel amplifier 4 Bare wire-to-RCA adapters Four 30A ATO fuses (2 installed, 2 spare) Two JBL stickers Owner's Manual 4 Mounting screws (M4 x 53mm) 1 logo badge

ME-60 4 Channel Amplifier - 120 Watts The ME60 is a four channel 120 Watts RMS audio amplifier of delivering up to 30W RMS per channel.  It has a compact, water resistant design that allows for flexible mounting possibilities, and makes it simple to expand the audio system capabilities for any installation. Features: To add additional loudspeakers to a current audio system To provide amplification for a separate audio zone Powers up to eight (8) 4ohm speakers Internal distortion limiting circuits Dedicated gain level control External volume control with ON/OFF switch included Rear channels switchable from full range to powered sub out Specifications: Number of Channels - 4 Speaker Impedance - 2-8 ohm 4 Ohm RMS Power - 4 x 20 W 2 Ohm RMS Power - 4 x 30 W Frequency Response - 20Hz-40kHz Dimensions (W x H x D) - 6.9" x 4.5" x 1.4" (175mm x 115mm x 35mm)  Volume Control Cable Length - 114" (290 cm) *Sold as an Individual  This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

PA D4000.4 PAD Series 4-Channel Amplifier - 400W When install space is at a premium, but your sound system demands plenty of power to realize its full potential, Polk Audio’s new super-efficient D Series amplifiers are a very cool solution.  Polk's PA D4000.4 4-channel amplifier may be small, but it can power your front and rear speakers with up to 125 watts RMS each.  Or, you can switch this little beast over to 2-channel mode to drive a couple subwoofers with up to 200 watts RMS each.  However you use it, this amplifier will fit in almost any location. Separate high- and low-pass filters on the front and rear channels allow this versatile amp to run a variety of speaker systems, like bi-amped mid-bass and tweeter components, or two front speakers and a sub. Features: Super-Efficient Class D Bridgeable Design - Runs cooler than conventional amps.     High-Speed MOSFET Switching power supply.  Front and rear level controls. Protection - thermal, DC offset, reverse polarity and short circuit. Nickel-plated wire terminals and RCA connectors. Stainless steel hardware. Technical Specifications: Number of Channels - 4 Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 200W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 125W 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 400W Signal-to-Noise Ratio - >105dB Product Dimensions (with panels) (H x W x D) -1.81'' x 10.94'' x 6.75'' *Sold as an Individual WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

POWER760 4-Channel Amplifier - 760W Time to stretch your sound muscles with the POWER760 4 channel amplifier. It tops out at 760W of peak power, has a protection circuit that safeguards against short circuits, DC offset and thermal overload, a channel mode selector which allows you to switch from 4, 3 or 2.  It's time to include this audio 4 channel amplifier in your sound system. Features: Designed to meet CEA-2006 test standards Compact design allows great flexibility in mounting MOSFET power supply Channel mode selector switch - 4, 3 and 2 channel Technical Specifications: Number of Channels - 4  Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power Per Channel - 2 x 190W 4 Ohm RMS Power Per Channel - 4 x 100W 4 Ohm RMS Power Bridge Channel - 4 x 75W Overall Dimension (W x H x L) - 9" x 2.5" x 12.5" *Sold as an Individual  WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

ASK904B.64 4 Channel Amplifier & 2 Pairs of 6.5" Speaker Kit - White No room for a stereo head unit?  Want to listen to your music from a Bluetooth enabled device?  No worries.  Boss has taken audio to the next level with a powerful amplifier and weatherproof speaker kit. This kit packs a punch with the MC900B 4-Channel amplifier w/multi-function controller, a two (2) pairs of 6.5" MR6W speakers, waterproof pouch and a USB/Aux accessory extension cable. All in one and ready to play all your music on the water or in any environment. Features: Weatherproof 6.5" MR6W speakers - White Hideaway antenna 4-Channel Weatherproof 500W amplifier with multi-function controller -  Included in the Box: MC900B Bluetooth amplifier w/multi-function controller  Two (2) pairs of MR6W speakers Waterproof pouch MUSB35 USB/Aux Accessory Extension Cable Mounting hardware Instruction manuals *SiriusXM Promotion - Get 3 Free Months SiriusXM Streaming Service - LINK *Sold as an Individual Kit WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

ASK902B.6 4 Channel Amplifier &  6.5" Speaker Kit - White No room for a stereo head unit?  Want to listen to your music from a Bluetooth enabled device?  No worries.  Boss has taken audio to the next level with a powerful amplifier and weatherproof speaker kit. This kit packs a punch with the MC900B 4-Channel amplifier w/multi-function controller, a pair of 6.5" MR6W speakers, waterproof pouch and a USB/Aux accessory extension cable. All in one and ready to play all your music on the water or in any environment. Features: Weatherproof 6.5" MR6W speakers - White Hideaway antenna 4-Channel Weatherproof 500W amplifier with multi-function controller -  Included in the Box: MC900B Bluetooth amplifier w/multi-function controller  One (1) pair of MR6W speakers Waterproof pouch MUSB35 USB/Aux Accessory Extension Cable Mounting hardware Instruction manuals *SiriusXM Promotion - Get 3 Free Months SiriusXM Streaming Service - LINK *Sold as an Individual Kit

Apollo Marine 4 Channel 1200-Watt Amplifier This 4-channel amplifier with 150-watt RMS per channel can power up to four pairs of speakers or two pairs of speakers and one subwoofer. It includes high-power mode adapters for simple bridging to increase power. Features: Keep the music going for longer without draining your battery as quickly No more manual adjustments to your audio settings. The Easy Tune feature does it for you A glance at the LED indicators lets you identify if the amplifiers have a short or if they’re overheating Less distortion and noise, so you enjoy quality audio Mounting brackets are included for simple installation Don’t worry about potential overheating damage with our ignition protection design Power & Efficiency The Apollo amplifiers are designed to produce impressive power with less drain on your battery. This amp produces 150-watt RMS per channel. Easy Tune Feature These amplifiers use the Easy Tune feature, which automatically regulates audio settings. So, users can get the best quality sound without making manual adjustments. Less Distortion  Some amplifiers distort audio when they add power. Fusions are specifically designed with minimal distortion and noise, so you can enjoy high-quality audio, even at higher volumes. LED Indicators  Identify electrical issues at a glance. These indicator lights will show you issues with electrical currents and shorts, as well as temperature. Mounting Brackets  Easily install the amplifiers on board with the included mounting brackets. Ignition Protected  The ignition-protected design helps prevent potential damage from overheating. Conformal-Coated PCBS The amplifier’s circuit board has been specially coated to provide extra protection from the marine elements. 2 OHM Stable  Connect up to two speakers per channel, increasing setup options. Fusion True-Marine Design  The amplifier is designed to last season after season. They have been tested to a high level of protection against salt fog, temperature, vibration, and UV. In the Box: One Apollo 4-channel amplifier One mounting bracket One power connector Two speaker connectors with high-power mode adapters Four 8-gauge, flat-head self-tapping screws Four 8-gauge, pan-head self-tapping screws (for mounting bracket) Four screw covers Fuse holder Mounting template Installation instructions ISPI Specifications: Physical Dimensions without Bracket (L x W x H): 9.25" x 7.06" x 1.75" (235 x 180 x 45 mm) Physical Dimensions with Bracket (L x W x H): 9.25" x 7.06" x 2.13" (235 x 180 x 50 mm) Weight: 4.85 lb (2.2 kg) Water Rating: IPX2 Amplifier Class: Class-D CEA-2006 Power Rating: 150 watt RMS x 4 @ 14.4 V input - 4 ohm < 1% THD Total Rated Power Output, 2 Ohm (Watts): 290 watt RMS x 4 @ 14.4 V input - 2 ohm < 1% THD Total Rated Power Output, 4 ohm Bridged (watts): 580 watt RMS x 2 @ 14.4 V input - 4 ohm Bridged < 1% THD Peak Power (watts): 1200 watts Input Sensitivity: 1.6 V RMS Input Impedance: 22k ohm Operating Voltage: 10.8 V - 16 V DC Current Draw, in Standby/off Using Amplifier on Wire: < 5 mA @ 14.4 V input Current Draw, On, No Audio: < 1.15 A @ 14.4 V input Fuse Rating: 85 A electronic fuse (no replacement necessary) Power-Cable Fuse Model and Rating: Bussmann™ BK/AMI-030 30 A fast-acting Ignition Safety Protected (SAE J1171): Yes Protection Circuits: Reverse voltage, input under/over voltage, over temperature, and output short circuit Operating temperature range: 32° to 122° F (0° to 50° C) Warranty: 3 years

SG-DA41400 Signature Series - 1400W, 4 Channel Amplifier Powerful, Rock-The-Boat Sound! 1400 Watts of Class D output will run up to 4 pairs of speakers. Features: 4-Channel, 1400 Watt, Class-D Amplifier Can amplify up to 4-pairs of Fusion speakers (speakers run in parallel on 4-channels) 2-Ohm Stable Superior 1-piece HEAVY-DUTY die cast chassis 5-Way circuitry protection Thermal/Reversed Power Polarity/DC Offset Protection/High + Low Voltage Discrete Install Panel-Covers Amp set-up controls and hides all cabling FLFC Low Frequency Control-Accurate fine tuning of frequency response Conformal coated PCB WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

APEX PA454 4 Channel Amplifier 45W x 4 Designed to excel in extreme conditions (Waterproof, Dustproof, Freezeproof) these amps will thrive in the all weather. These amps are a game changer from their small size, robust power output, and pricing.  Suitable for small compact places, these amps will thrive in golf carts, side by sides, snowmobiles, motorcycles, and small water crafts (flats boats, tenders, jet skis, fresh and saltwater aluminum and fiberglass boats) among other applications. Features: RMS Power: 45Wx4@4-ohm Selectable Crossover Front/Rear: High-Pass @ Full/60/80/120Hz Frequency Response: 20Hz to 20kHz Signal to Noise Ratio: 85dB THD: <1% Fuse Rating: 15A Dimensions: 170mm x 85mm x 45mm