4-Channel Marine Waterproof Amplifier - Class D Full-Range - 4 Ohms 200x4 RMS The NVY-T800.4D: a versatile 4-channel amplifier designed for high-quality audio reproduction and unbreakable durability. The NVY-T800.4D was designed to withstand the harshest elements: its IPX6 waterproof rating and UV/SALT/Fog Protection, paired with its surface mount component technology and direct harness design allows this amplifier to be installed anywhere easily without sacrificing space! Its wide range of protection features, including thermal protection, overload protection, short circuit output protection, and voltage input protection ensures the safety and longevity of the NVY-T800.4D. Equipped with selectable high-pass, low-pass, and flat crossover filters; the NVY-T800.4D allows you to customize your sound to your liking. This full-range amplifier covers ranges from 20Hz-20KHz and has a signal-to-noise ratio of >80dB for crisp and clear audio with minimal distortion. With a peak power output of 2400W and RMS power of 4 x 200W @ 4 ohms, 4 x 300W @ 2 ohms, and 2 x 600W @ 4-ohm bridge, the NVY-T800.4D is perfect for powering any speakers in your marine audio system. Be prepared for everything with the NVY-T800.4D! Features: IPX6 Waterproof Rating UV, Salt, and Fog protection High Power Output Full Range Amplifier Customizable Sound With Selectable Crossover Filters High-Quality Protection Features Durable design suitable for use in harsh environments Power Specifications: Total Watts (Peak): 2400W RMS Power @ 4 ohm: 4 x 200W RMS Power @ 2 ohm: 4 x 300W RMS Power @ 4 ohm Bridge: 2 x 600W Audio Specifications:  Frequency Response: 20Hz-20KHz Signal Noise Ratio: >80dB Efficiency @ 4ohm: 0.85 Damping Factor: >100 Input Impedance: 20Kohms Channel Separation: >55dB Total Harmonic Distortion (THD): 0.0005 Low-Level Input Range: 200mV-5V Selectable X-Over: HPF/LPF/FLAT X-Over Filter Range: 40Hz-3KHz Great For: Marine Audio Powersports Audio

NXL-X600.4D 4-Channel Marine Amplifier - 1600W The DS18 NXL Series was developed for people who want a very small audio footprint that is capable of putting out lots of power and sound in a small and waterproof package. The NXL Series of amps are one of our most efficient lines with great power output all while withstanding the elements.   Being a full-range amplifier, they can be integrated with and run on subwoofers, mid-ranges, and tweeters.  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 Series amplifiers have stable and reliable 4-layer PCB layouts, an 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 exactly what the outdoors lover will need for their boat or vehicle audio to brave the trails, enjoy the lake, or any situation that needs a strong versatile waterproof amplifier. Features: Multiple channel input selector - 2 or 4 channel IPX6 Waterproof for Powersports applications Ultra-compact size for easy installation Audio precision quality control verification  Technical Specifications: Number of Channels - 4 Frequency Response - 10Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 200W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 150W 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 400W Signal-to-Noise Ratio - >85dB Product Dimensions: (L x W x H) - 9.92" x 4.4" x 1.77" (252mm x 112mm x 45mm) *Sold as an Individual

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

R1 650.4 4-Channel Marine Amplifier The R1 650.4 marine-grade amplifier from Roswell, is everything a boat's audio system has always wanted. These stackable amplifiers utilize a 4-channel Class-D design that puts out 100 watts RMS per channel at 4Ω and is perfect for powering an R1 6.5″ marine speaker setup. Easily bridge and tune with the calibrated crossover controls. Because LEDs create lots of noise issues, this amp features differential RCA inputs for maximum noise rejection. The R1 650.4 is built with fully conformal-coated PCBs and nickel-plated marine-grade wire terminals to ensure their quality. Features: Ch 1-4 calibrated crossover (FULL/HPF/LPF)     Space-saving stackable design Bridgeable 4-channel design Marine-grade durability 2 Ohm Stable at 165 watts per channel     High-Efficiency Class-D Topology Conformal-coated PCBs  The lit logo power indicator lets you know your amp is receiving power     Nickel-plated wire terminals Switchable Differential RCA inputs minimize interference and induced noise Specifications: Continuous Power (RMS): 4Ω: 100W x 4 / 2Ω: 165W x 4  Bridged: 4Ω: 300W x 2 Frequency Response: 10Hz – 25Hz Input Sensitivity: 0.2–10.0V HPF (High Pass Filter): 30Hz – 300Hz LPF (Low Pass Filter): 30Hz – 300Hz Bass EQ: 0-18dB @ 45Hz Subsonic Filter: 10Hz – 55Hz Dimensions: Inches: 1.90 x 7.06 x 11.125 Centimeters: 4.83 x 17.94 x 28.26

MS-AM504 4-Channel Marine Amplifier - 500W  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 500 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 RCA output enables linking of multiple amplifiers for enhanced system performance. 4 Channels - Capable of powering 4 speakers, a sub and a pair of speakers or 8 speakers in parallel (2 speakers per channel in parellel @ 2 Ohms). 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.

Apollo™ Monoblock & 4 Channel Marine Amplifier Mounting Bracket Use this mounting bracket to easily install your Apollo Monoblock or 4 channel marine amplifier. Simply secure the mounting bracket to a flat surface and clip the amplifier in place, for a clean and tidy finish.  Technical Specifications: Dimensions (WxHxD) - 4.72" x 6.08" x .39" In the Box: Mounting bracket Four 8-gauge, self-tapping screws *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.

ME70BT IPX6 4-Channel Marine Amplifier Features: Remote display keypad 4x45 Audio power out 100 Meter Bluetooth range Phone/Android charging USB music Player AUX input NMEA 2000® certified Multiple EQ preset options Backlit 3 line display with adjustable illumination This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

NXL-M4 Full Range 4 Channel IPX5 Marine Grade Amplifier - 150 x 4W @ 4-Ohm Designed for intense sessions that keep the party boat rocking all night long; the NXL-M4 is DS18’s high-quality, powerful amplifier for the wave runner looking for a big sound with a small footprint! As a Class D Digital amplifier, the NXL-M4 uses a direct insert speaker and power terminals 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 NXL-M4 handles 150W x 4CH @ 4 Ohms; 230W x 4CH @ 2 Ohms; and 440W x 2CH @ 4 Ohms Bridge of RMS Power and 1800W Peak Power. Get clean, well-defined sound for with enough features (Fully Variable Bass Boost, Low Pass Filter, and High Pass Filter) to tune your music perfectly for optimal audio enjoyment! This full-range amplifier handles all speakers insanely well and has the features to make sure they play the way you want them to! This amplifier is tough enough to stand up to the worst the waves throw at you! All controls are guarded by high-strength front covers that guarantee impenetrable defense against the elements; coated 4-layer PCB helps prevent corrosion caused by salt water; and Voltage, Thermal, and Short Circuit Protection for easy monitoring of your power levels. Order the NXL-M4 for insane power out on the water! Features: Hardware resistant to corrosion and UV Protection Coated 4 Layers PCB to prevent corrosion IPX5 Water Resistance Grade High Level Input For Radio Use Front cover to keep the controls safe to the elements LED Clip Indicator to 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 230W  4 Ohm RMS Power Per Channel - 4 x 150W  4 Ohm RMS Power Bridge Channel - 2 x 440W  Signal-to-Noise Ratio - >90dB  Product Dimensions: (L x W x H) - 9.6" x 4.5" x 1.7" *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

NXL-X1200.5D 5-Channel Marine Amplifier - 2800W The DS18 NXL Series was developed for people who want a very small audio footprint that is capable of putting out lots of power and sound in a small and waterproof package. The NXL Series of amps are one of our most efficient lines with great power output all while withstanding the elements.   Being a full-range amplifier, they can be integrated with and run on subwoofers, mid-ranges, and tweeters.  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 Series amplifiers have stable and reliable 4-layer PCB layouts, an 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 exactly what the outdoors lover will need for their boat or vehicle audio to brave the trails, enjoy the lake, or any situation that needs a strong versatile waterproof amplifier. Features: Multiple channel input selector - 2 or 4 channel IPX6 Waterproof for Powersports applications Ultra-compact size for easy installation Audio precision quality control verification  Technical Specifications: Number of Channels - 5 Frequency Response - 10Hz - 200KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 200W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 150W 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 400W Signal-to-Noise Ratio - >85dB Product Dimensions: (L x W x H) - 12.67" x 4.4" x 1.77" (322mm x 112mm x 45mm) *Sold as an Individual

NXL-X1000.1D 1-Channel Marine Amplifier - 2000W The DS18 NXL Series was developed for people who want a very small audio footprint that is capable of putting out lots of power and sound in a small and waterproof package. The NXL Series of amps are one of our most efficient lines with great power output all while withstanding the elements.   Being a full-range amplifier, they can be integrated with and run on subwoofers, mid-ranges, and tweeters.  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 Series amplifiers have stable and reliable 4-layer PCB layouts, an 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 exactly what the outdoors lover will need for their boat or vehicle audio to brave the trails, enjoy the lake, or any situation that needs a strong versatile waterproof amplifier. Features: Multiple channel input selector - 2 or 4 channel IPX6 Waterproof for Powersports applications Ultra-compact size for easy installation Audio precision quality control verification  Technical Specifications: Number of Channels - 1 Frequency Response - 10Hz - 250KHz 2 Ohm RMS Power (14.4V) Per Channel - 600W 4 Ohm RMS Power (14.4V) Per Channel - 350W Signal-to-Noise Ratio - >82dB Product Dimensions: (L x W x H) - 11.8" x 4.4" x 1.77" (302mm x 112mm x 45mm) *Sold as an Individual

HYDRO Nano Marine Monoblock Amplifier - 700W 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 Monoblock 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 - 1 Frequency Response - 20 - 500Kz 2 Ohm RMS Power Per Channel - 230W 4 Ohm RMS Power Per Channel - 140W Signal-to-Noise Ratio - 90dB Dimensions (L x W x H) - 200mm x 93.4mm x 39.8mm *Sold as an Individual

R1 550.2 2-Channel Marine Amplifier Roswell’s R1 550.2 is the ideal amp to run an R1 tower speaker setup. It’s a 2-channel Class-D design that puts out 165 watts RMS per channel at 4Ω and 275 watts RMS per channel at 2Ω. It features calibrated crossover controls, differential RCA inputs for maximum noise rejection, fully conformal-coated PCBs, and nickel-plated marine-grade wire terminals. Features: Ch 1-2 calibrated crossover (FULL/HPF/LPF)     Space-saving stackable design Bridgeable 2-channel design Marine-grade durability 4 Ohm Stable at 165 watts per channel     High-Efficiency Class-D Topology 2 Ohm Stable at 275 watts per channel     Conformal-coated PCBs  The lit logo power indicator lets you know your amp is receiving power     Nickel-plated wire terminals Switchable Differential RCA inputs minimize interference and induced noise Specifications: Continuous Power (RMS): 4Ω: 165W x 2 / 2Ω: 275W x 2 Bridged: 4Ω: 550W x 1 Frequency Response: 10Hz – 25Hz Input Sensitivity: 0.2–10.0V HPF (High Pass Filter): 30Hz – 300Hz LPF (Low Pass Filter): 30Hz – 300Hz Bass EQ: 0-18dB @ 45Hz Subsonic Filter: 10Hz – 55Hz Phase Control: 0-180º Dimensions: Inches: 1.90 x 7.0625 x 11.125 Centimeters: 4.83 x 17.94 x 28.26

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 Square Marine Waterproof Audio Receiver with Aux Input, Bluetooth, USB & Universal Pod There are many applications that do not have much room for sizeable bulky head units or sometimes come with no source output at all. Now you can add BT connectivity for any audio system with our easy-to-use Bluetooth remote control. This IPX6 waterproof BT remote mounts easily in every application and takes up almost no space and is easy to read with the LED-lit keys. This unit will send a signal to your amplifiers and give you control over the music being played via Bluetooth without having to fumble around with your phone so you have fewer distractions and transmits with BT 5.0 signal up to 35 feet. This awesome BT controller has USB and AUX inputs so not only are you able to use BT flawlessly, but multiple sources. Features: Easily mountable without taking up a lot of space. Included outputs to make it connectable to most amplifiers and devices BT connectivity to your phone or tablet for stress-free streaming or music playback. AUX input and USB slot are provided. 1A charging to keep your device charged while streaming if connected via USB. Technical Specifications: Frequency Response - 20Hz-20KHz Signal Noise Ratio - >86dB Channel Separation - >68dB Voltage Operation - DC 12-14.4V Wireless Range - >35' (Conditions May Vary) Waterproof Rating - IPX6 Measurements - 3.97" (L) x 3.17" (H) x 1.73" (D) *Sold as an Individual