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.

PA D5000.5 PAD Series 5-Channel Amplifier - 500W 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 D5000.5 5-channel amplifier may be small, but it can power your complete system, sending 70 watts RMS to each of your front and rear speakers and up to 500 watts RMS to a sub.  Or, you can switch this little beast to 3-channel mode to drive a couple high-level components with 200 watts RMS each and still have that 500 watts RMS left over for the bass.  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 - 5 Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 100W, 1 x 400W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 70W, 1 x 200W 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 200W Signal-to-Noise Ratio - >105dB Product Dimensions (with panels) (H x W x D) -1-13/16'' x 13-5/16'' 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.

Select S-1100.2 2 Channel Amplifier - 1800W The SELECT series of amplifiers by DS18 is known for two things - legendary power and striking elegance.   This brushed aluminum amplifier adds a nice touch of sleekness to your sound system.  Each amplifier has adjustable crossover settings, gain control, and Hi/Lo pass filters to deliver powerful and accurate sounds that will make you feel like you’re in a concert. Own an elegant amplifier that provides awesome power and amazing reliability. Features: Surface mount component technology Audio precision quality control verification Multilayer PCB trace layout Clipping, power, and protection LED indicator Short circuit, thermal, and voltage protection Precise filters so you can get the perfect sound from your speakers Technical Specifications: Number of Channels - 2 Frequency Response - 20Hz - 200KHz 2 Ohm RMS Power (14.4V) Per Channel - 2 x 80W 4 Ohm RMS Power (14.4V) Per Channel - 2 x 60W Signal-to-Noise Ratio - >90dB Product Dimensions: (L x W x H) - 7.4" x " x 1.87" (18.8 x 5.83 x 4.75 cm) *Sold as an Individual

HYDRO 4 Channel Full-Range Class D Waterproof Marine Amplifier - 2400W DS18 designed the NXL-X850.4D for customers looking for a compact and waterproof amplifier with exceptional power output and prioritizing boosting sound. The NXL series' impressive power output is supplemented by its outstanding efficiency, and its durability in harsh conditions makes it a favorite among customers in need of a waterproof amplifier to be the powerhouse of their system. The NXL-X850.4D comes in a 4-channel configuration making it great for powering more complicated active setups. The high pass and low pass filters will help you tune your speaker choice accurately so you can obtain crystal clarity from low volume levels all the way to the maximum for the ultimate audio experience. All NXL units have stable and reliable 4-layer PCB layouts, IP67 waterproof rating for power sports an ultra-compact size for easy installation, and audio precision quality control verification. The NXL Marine Amplifier series is perfect for outdoor enthusiasts looking for a durable, waterproof amplifier with intense power for their marine vehicle's audio system. This series is best used in various rugged and wet environments, such as on trails or at the lake. Features: Included a marine grade fuse and fuse holder that is connected inline with your main power wire will help with ultimate protection against the elements. IP67 Waterproof Rating UV, Salt, and Fog Protection Direct Power Harness Design with Marine Grade OFC Tinned Wires Latest Digital Amplifier Design With SMC Technology Technical Specifications: Number of Channels - 4 Frequency Response - 10Hz-20KHz  4 Ohm RMS Power - 4 x 200W  2 Ohm RMS Power - 4 x 300W  Signal-to-Noise Ratio - > 83dB Product Dimensions: (L x W x H) - 11.8" x 4.4" x 1.77" (301mm x 112mm x 45mm) *Sold as an Individual

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.

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.

MS-AM402 2 Channel Marine Amplifier - 400W  Features: Marine Grade Chassis - Stainless steel end caps and bottom plate provide a stunning finish with added environmental protection. Heat Sink Technology - Heat sink technology transfers heat more efficiently and offers more thermal stability for maximum component reliability. Class-AB Design - The 400 Watt 2-Ohm stable (per channel) design ensures clean and powerful amplification of the input signal,enough to rock the boat. Conformal Coated Circuitry - Provides added protection from salt air and moisture to ensure maximum product life. RCA Line Out - A pass through the RCA output enables linking of multiple amplifiers for enhanced system performance. 2 Channels - Capable of powering 2 speakers, a sub (bridged) or 4 speakers in parallel. 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.

ME-52 2 Channel Amplifier - 50 Watts The ME-52 is a compact 2-channel 50-watt audio amplifier with separate volume control. This unit is designed for adding additional speakers to an existing system or as a separate zone amp. Features:  To add additional loudspeakers to a current audio system To provide amplification for a separate audio zone Powers up to four (4) - 4ohm speakers Internal distortion limiting circuits Dedicated gain level control External volume control with ON/OFF switch included Specifications:  Number of Channels - 2  Speaker Impedance - 2-8 ohm 2 Ohm RMS Power - 2 x 25 W 4 Ohm RMS Power - 2 x 15 W Frequency Response - 20Hz-20kHz Dimensions (W x H x D) - 4-3/16" x 1-9/16" x 4-7/8" (106mm x 39mm x 124mm)  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.

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.

Polk Audio Since founding Polk in 1972, it's been their mission to craft high quality, great sounding speakers that are accessible to everyone. For the people of Polk, designing and building authentic audio solutions is their true passion. Polk is an American original, crafting audio experiences that deliver iconic, engaging, authentic sound. Welcome to the great sounding world of Polk.

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

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

Candy-X2B 2 Channel Amplifier - 800W Small, compact, and powerful is what the DS18 Candy-X1B 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 amps 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 the 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 - 2 Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 2 x 120W 4 Ohm RMS Power (14.4V) Per Channel - 2 x 80W Signal-to-Noise Ratio - >100dB Product Dimensions: (L x W x H) - 7.08" x " x 1.87" (18.0 x 12.7 x 4.75 cm) *Sold as an Individual

SG-24DA61500 Signature Series 1500W - 6 Channel Amplifier - 24V The Signature Series 24-volt 6-channel marine amplifier is designed for boats operating on 24-volt electrical systems. With a peak power of 1500-watts, it provides incredible power delivery to your onboard audio entertainment. The plug-and-play setup allows for easy installation without the need for an additional power adaptor. Fusion Signature Series amplifiers are purpose-built for the marine environment. Boasting some of the most impressive environmental protection available, they deliver a Signature performance on the water like never before. Features: Class-D Amplifier Technology:  The highly efficient Class-D design provides 1500-watt peak power while drawing less current than a standard Class-AB amplifier.  This design provides increased efficiency and power output to your speakers and subwoofers, letting you enjoy your music for longer without needing to worry about battery drain. 1500-Watt Peak Power:  With a peak power of 1500-watts, you can easily power up to 6 pairs of speakers OR up to 4 pairs of speakers and 1 subwoofer. Marine-Ready Design with Conformal Coated PCBs:  Extending the life of your amplifiers, the Signature Series amplifiers are designed specifically for marine use with conformal coated PCBs to provide extra protection from the marine elements. Rigid Aluminum Alloy Heat Sink:  Molded to form a singular die-cast chassis, the fin layout is calculated with precision to increase the surface area of the heat sink and improve heat dissipation. Stainless Steel Mirror Finish:  The polished stainless steel control panel cover conceals and helps protect all cable connections and the settings control panel while providing an attractive finish to complement any installation. Speaker Configuration:  Whether you require 2 ohms per channel or 4 ohms bridged, the Signature Series amplifier has your installation options covered to achieve optimum output levels. Connect up to 2 speakers per channel (2 x 4 ohm speakers in parallel) with the SG-24DA61500. Zone Designation:  To align with the Fusion Entertainment System Zone philosophy, the input and output connections are labeled as zones. Technical Specifications: Frequency Response : 10 Hz to 40 kHz (-3dB @ 4 Ohm rated power) Peak Power Output:  1500 W Rated Power Output (4 Ohm):  100 W rms x 6 @ 28.8 V input < 1% THD + N (EIA/CEA-490A) Rated Power Output (2 Ohm):  140 W rms x 6 @ 28.8 V input < 1% THD + N (EIA/CEA-490A) Rated Power Output (4 Ohm Bridged): 280 W rms x 3 @ 28.8 V input < 1% THD + N (EIA/CEA-490A) Input Sensitivity:  0.3 V to 8 V rms, user adjustable Input Impedance:  7k Ohm nominal High-Pass/Low-Pass Full Range Filter:  Yes, user selectable Filter Cross-Over Frequency:  32 Hz to 320 Hz, user adjustable Bass-Boost:  0 to 9 dB, user adjustable (zone 3 only) Operating Voltage:  21.6 V to 32 V dc Remote Switch-On:  Yes - 6 V threshold Current Consumption (Standby): < 1 mA @ 28.8 V input Current Consumption (Idle):  < 1.25 A @ 28.8 V input Current Consumption (Max):  35 A @ 28.8 V input Fuse Rating:  3 x 20 A ATC Blade-Type (SAE J1171 Compliant) Protection Circuits:  Reverse-Voltage, Input Under/Over Voltage, Over-Temperature, Output Short-Circuit Operating Temperature Range:  0 to 50°C (32 to 122°F) Ingress Protection Rating:  Dry area installation only Dimensions:  420 mm (L) x 210 mm (W) x 57 mm (H) or 16-9-16" (L) x 8-1/4" (W) x 2-1/4" (H) Weight:  5.15 kg or 11.35 lb with cover Warranty:  3 years In the Box: Four 8-gauge, self-tapping screws 3 mm hex key (for the top cover and power terminals) 2.5 mm hex key (for the speaker terminals) Polishing cloth Spare J1171 compliant 20 A blade-type fuses (only included with 24-Volt Signature Series 6 Channel 1500-Watt amplifier) 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.

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