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

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.

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.

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.

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

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

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.

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

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.