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When you become a partner with Petra, you get more than access to great products to resale... You will receive the following benefits!

  • Same Day Shipping
  • Lowest Price Guaranteed
  • No Minimum Order
  • Free Freight on Qualifed Orders

4" Marine Speakers

Wholesale local pickup for custom install and local business from distributor Petra Industries
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  • BOSS Audio Systems MRWT69

    6" x 9" 550-Watt 4-Way Marine Wake Tower Speaker System (Black)

    • 6" x 9"
    • 550W
    • 80oz magnet
    • Imp: 4Ω
    • Freq resp: 40Hz–20kHz
    • 95dB
    • Poly-injection woofer & rubber surround
    • Aluminum voice coil
    • Two 1" Mylar® dome tweeters & one 2.5" Mylar® cone midrange
    • Plastic grille
    • Black
    • Each
    • Part No. 152789
    • SKU BOSMRWT69
    • Vendor SKU MRWT69
    • Retail Price$149.00
  • Related Products Kenwood | Marine Radio | Marine
    KENWOOD® PKG-MR372BT

    Marine Retail Pack with KMR-D372BT Single-DIN In-Dash Marine CD Receiver with Bluetooth® & SiriusXM® Ready plus KFC-1633MRW 6.5" 2-Way Marine Speakers

    • KMR-D372BT marine receiver:
    • 13-digit 1.5-line LCD display
    • Variable color illumination
    • Theft-deterrent face plate
    • Conformal-coated PCB circuit board improves moisture resistance to prevent corrosion
    • Plays CDs, CD-Rs & CD-RW discs including those loaded with MP3, WMA & AAC music files
    • Durable CD slot cover & covers for USB & aux inputs
    • Dual phone connection
    • KENWOOD® Music Mix enables up to 5 Bluetooth® devices to be connected to the head unit at the same time so passengers can share/switch devices to share music
    • USB & aux inputs
    • MP3/WMA/AAC/WAV/FLAC playback with ID-3 tag display
    • Wireless music browsing
    • iPhone®/iPod® direct connection via optional cable
    • Android™ music playback
    • Android™ Rapid Charge
    • Pandora® Internet Radio, Spotify® & iHeartRadio® app ready
    • Drive Change for Android™ or Card reader
    • 13-band EQ
    • KENWOOD® sound reconstruction improves the sound of files encoded at low bit rates
    • Bass boost & loudness controls
    • Low-pass filter & subwoofer level control
    • Remote app for Android™ & iOS™ via Bluetooth®
    • Marine remote ready
    • Includes rear wired Bluetooth® microphone, mounting hardwire & user guide
    • KFC-1633MRW marine speakers with fixed grilles:
    • 20W RMS
    • Freq resp: 65Hz–20kHz
    • Sensitivity: 84dB
    • Imp: 4Ω
    • Water-resistant cones
    • Full-range speakers
    • Polypropylene injection cone woofers
    • 1" balanced dome tweeters
    • Includes mounting screws, 8 speed clips, cutout template, installation instructions & warranty card
    • Pair
    • Part No. 330107
    • SKU KWDPKGMR372BT
    • Vendor SKU PKG-MR372BT
    • Retail Price$239.99
  • Pyle® PDWR30W

    3.5" Indoor/Outdoor Waterproof Speakers (White)

    • 300W max, 150W RMS
    • Waterproof—for outdoor, marine, patio & poolside use
    • 3.5" aluminum injection cone woofer
    • 1" high-compliance Mylar® tweeter
    • Freq resp: 60Hz–22kHz
    • Imp: 4Ω
    • 40oz magnet structure
    • Capacitor crossover network
    • Bass reflex vent
    • Heavy-duty ABS construction
    • Quick-connect/disconnect speaker terminals
    • Spring-loaded mounting system
    • Includes removable rustproof mesh grilles
    • Dim: 7.25"H x 4.75"W x 4.75"D
    • Pair
    • White
    • Part No. 169820
    • SKU PYLPDWR30W
    • Vendor SKU PDWR30W
    • Retail Price$97.99
  • Related Products Planet Audio
    Planet Audio® PL57

    Pulse Series 3-Way Speakers (5" x 7", 200 Watts max)

    • Black poly-injection cones & rubber surrounds
    • 2 tweeters per speaker
    • Custom grilles
    • Imp: 4Ω
    • Freq resp: 70Hz–20kHz
    • 5" x 7"
    • 200W max
    • 100W RMS
    • Pair
    • Part No. 291655
    • SKU PLTPL57
    • Vendor SKU PL57
    • Retail Price$54.00
  • Related Products Car Audio | Stereo Receiver
    BOSS Audio Systems 636CK

    Single-DIN In-Dash Mechless AM/FM Receiver System with Speakers

    • 610UA receiver:
    • USB/SD™ Card/MP3 playback
    • Compatible with audio out from smartphones & MP3 players
    • Aux input
    • 50W max x 4
    • Switchable US/European tuner
    • Bass, treble, balance & fader controls
    • Built-in EQCK65 2-way speakers:
    • Poly cone woofers & foam surrounds
    • 250W max/180W RMS per pair
    • Pair
    • Part No. 322928
    • SKU BOS636CK
    • Vendor SKU 636CK
    • Retail Price$62.00
  • ATV-Tube UT8200RL

    450-Watt Bluetooth® ATV/Marine Speaker System (8", With Remote & RGB LEDs)

    • 450W max
    • Integrated amp with easy-to-pair integrated Bluetooth® & auto reconnect
    • Hands-free phone calls when paired with Bluetooth®-enabled phone
    • True marine-grade coaxial speakers
    • Frontfiring tweeters with 12dB per octave crossover
    • Open grille design minimizes mud buildup for easy cleaning
    • Waterproof 3.5mm aux input
    • 4 durable nylon straps secure speakers to rack
    • Marine-grade SAE accessory connector & light switch for easily adding LED light bar
    • Marine-grade SAE quick-disconnect power cord easily attaches to any Power Rail™ accessory bar
    • 8"
    • Fully customizable wireless remote
    • Integrated RGB illumination system
    • Part No. 291281
    • SKU BZKUT8200RL
    • Vendor SKU UT8200RL
    • Retail Price$369.99
  • Related Products 6x9 Speakers | Marine Speakers
    MB Quart® NK1-169L

    Nautic Series 6" x 9" 140-Watt 2-Way Coaxial Speaker System (With LED Illumination)

    • 140W max
    • 70W RMS
    • Marine certified—protected against sun fade with UVA paint coating
    • Conformal-coated crossover components protected against water spray as well as dust & sand
    • Life Shield badge indicates speakers are waterproof, dustproof, snowproof & shockproof
    • Tested to the highest marine & motorsports standards for resisting the elements (IP67)
    • Titanium dome tweeter for smooth musical response & high output with minimal amp power
    • 6.5" composite poly midrange is a UVA-protected, water-resistant composite polypropylene cone with temperature-stable butyl rubber surround mounted on a lightweight composite frame
    • High-temperature copper voice coil wound on a Kapton® former
    • High-energy Y30 motor assembly with strontium ferrite magnet for higher output with minimal amp power
    • Marine-certified crossover is conformal coated with Positive Thermal Coefficient tweeter protection
    • Freq resp: 27Hz–22kHz (±10dB)
    • Sensitivity: 92dB @ 1W/1m
    • Imp: 4Ω
    • Mounting dia: 5.85" x 8.69"
    • Mounting depth: 3.5"
    • Mounting height with grille & gasket: 1"
    • Includes LED Illumination with limitless color choices
    • Part No. 294119
    • SKU MBQNK1169L
    • Vendor SKU NK1-169L
    • Retail Price$299.99
  • MB Quart® NK1-120L

    Nautic Series 8" 140-Watt 2-Way Coaxial Speaker System (With LED Illumination)

    • 140W max
    • 70W RMS
    • Marine certified—protected against sun fade with UVA paint coating
    • Conformal-coated crossover components protected against water spray as well as dust & sand
    • Life Shield badge indicates speakers are waterproof, dustproof, snowproof & shockproof
    • Tested to the highest marine & motorsports standards for resisting the elements (IP67)
    • Titanium dome tweeter for smooth musical response & high output with minimal amp power
    • 8" composite poly midrange is a UVA-protected, water-resistant composite polypropylene cone with temperature-stable butyl rubber surround mounted on a lightweight composite frame
    • High-temperature copper voice coil wound on a Kapton® former
    • High-energy Y30 motor assembly with strontium ferrite magnet for higher output with minimal amp power
    • Marine-certified crossover is conformal coated with Positive Thermal Coefficient tweeter protection
    • Freq resp: 25Hz–20kHz (±10dB)
    • Sensitivity: 92dB @ 1W/1m
    • Imp: 4Ω
    • Mounting dia: 7"
    • Outside dia: 8.46"
    • Mounting depth: 3.7"
    • Mounting height with grille & gasket: 1.13"
    • With LED illumination
    • Part No. 294121
    • SKU MBQNK1120L
    • Vendor SKU NK1-120L
    • Retail Price$219.99
  • MB Quart® NT1-116L

    Nautic Series 2-Way Wake Tower Speaker with Dove Gray Finish & Mounting Hardware (6.5", 120 Watts, With LED Illumination)

    • Marine certified—protected against sun fade with UVA paint coating
    • Conformal-coated crossover components protected against water spray as well as dust & sand
    • Life Shield badge indicates speakers are waterproof, dustproof, snowproof & shockproof
    • Tested to the highest marine & motorsports standards for resisting the elements (IP67)
    • Titanium dome tweeters for smooth musical response & high output with minimal amp power
    • Composite poly midranges are UVA-protected, water-resistant composite polypropylene cones with temperature-stable butyl rubber surrounds mounted on lightweight composite frames
    • High-temperature copper voice coils wound on Kapton® formers
    • High-energy Y30 motor assemblies with strontium ferrite magnet for higher output with minimal amp power
    • Marine-certified crossovers are conformal coated with Positive Thermal Coefficient tweeter protection
    • Sensitivity: 86dB @ 1W/1m
    • Imp: 4Ω
    • 6.5"
    • 120W max; 60W RMS
    • WithLED illumination
    • Limitless color choices
    • Part No. 294125
    • SKU MBQNT1116L
    • Vendor SKU NT1-116L
    • Retail Price$309.99
  • Related Products Soundstream | Marine
    Soundstream® MHU-32

    Premium Marine-Grade Digital Media Player with Bluetooth® & 2-Zone Audio

    • Digital media player with AM/FM & weather band tuner
    • 3.2" color LCD screen
    • Marine-grade, watertight enclosure construction (IP65)
    • Conformal-coated PCB & components
    • Zero current draw, EPROM memory retains presets
    • Quick-disconnect wire harness for prewired installations
    • Waterproof rubber keys with 7-color LED backlighting
    • Bluetooth® v4.0 hands-free calling & audio streaming
    • Rear USB input for MP3 & other audio file playback
    • Second-zone audio output with independent volume level
    • 2-channel stereo RCA audio input for personal media players
    • 2-band equalizer with audio staging controls
    • 300W 4-channel high-level speaker outputs, 4Ω stable
    • On-screen battery low-voltage warning indicator
    • Dim: 3"H x 5.13"W x 2.25"D
    • Includes aluminum U-bracket mounting hardware
    • Model MHU-32
    • Part No. 323573
    • SKU SSTMHU32
    • Vendor SKU MHU-32
    • Retail Price$199.99
  • Soundstream® MSW.104

    Premium Marine-Grade MCS Series 10" 600-Watt 2" DVC Subwoofer (Dual 4Ω)

    • Injection-molded frame & grille using Centrex® 814 UV-resistant polymer
    • Electromagnetic components sealed internally within frame structure
    • Brushed aluminum grille mesh prevents accidental punctures
    • Injection-molded polypropylene-mica composite speaker cone
    • 1.25" extreme temperature-tolerant voice coils with epoxy coating
    • 1" formed titanium extended frequency-range dome tweeter
    • Chemical- & UV-resistant thermoformed rubber gaskets & surround
    • Built-in, prewired connection terminals for available LED rings
    • Mounting depth: 4.5"
    • Optimum enclosure sizes: .75 cu ft sealed, 1.5 cu ft vented
    • Includes matching Gloss Black & Gloss White grilles
    • 600W max/300W RMS
    • Dual 4Ω
    • Efficiency: 86.4dB @ 1W/1m
    • Part No. 323571
    • SKU SSTMSW104
    • Vendor SKU MSW.104
    • Retail Price$214.99
  • Cerwin-Vega® Mobile XED12

    XED Series SVC 4Ω Subwoofer (12", 1,000 Watts)

    • Single voice coil
    • Parabolic polypropylene cone
    • Unique foam-blend high-roll rubber surround
    • Bumped back plate for maximum excursion
    • Vented pole piece for extended play time
    • 12"
    • 1,000W max
    • 150W RMS
    • Mounting depth: 5.23"
    • Each
    • Part No. 264871
    • SKU CERXED12
    • Vendor SKU XED12
    • Retail Price$99.99
  • Sound Storm Laboratories® EV4.400

    EVOLUTION Series Full-Range 400-Watt 4-Channel MOSFET Class AB Amp (Silver)

    • Class AB• Full range • 400W max • 50W RMS x 4 @ 4Ω • MOSFET power supply • Low- & high-level inputs • Thermal & speaker-short protection • Soft turn-on circuit • Power & protection LEDs • Low-pass filter: 120Hz (channels 3/4) • Fixed high-pass filter: 200Hz (channels 1/2) • Dim: 1.88"H x 9"W x 6.88"D • Silver
    • Part No. 180198
    • SKU SSLEV4400
    • Vendor SKU EV4.400
    • Retail Price$71.00
  • DB Drive P5TW 4D

    Pro Audio Series 1.75" 300-Watt Tweeter

    • 1.75"
    • 300W
    • 4Ω Pro Audio tweeter
    • 11.6oz magnet
    • Efficient high frequency
    • Offers controlled high-frequency dispersion which is ideal for high-volume output
    • Each
    • Part No. 201861
    • SKU DBDP5TW4D
    • Vendor SKU P5TW 4D
    • Retail Price$44.99
  • Related Products 6x8
    Sound Storm Laboratories® EX357

    EX Series Full-Range 3-Way Loudspeakers (5" x 7", 200 Watts)

    • Poly-injection cones
    • Durable rubber surrounds
    • High-performance voice coils
    • Polyimide dome tweeters
    • Imp: 4Ω
    • 5" x 7"
    • 200W max power
    • Also fits 6" x 8" application
    • Pair
    • Part No. 244755
    • SKU SSLEX357
    • Vendor SKU EX357
    • Retail Price$25.00
  • Related Products Planet Audio
    Planet Audio® PX10

    AXIS Series Single Voice-Coil Flat Subwoofer (10", 800 Watts)

    • 4Ω 2" copper voice coil
    • Poly-injection cone & rubber surround
    • Works in .6 cu ft sealed or 1 cu ft ported enclosures
    • 10"
    • 800W max/400W RMS
    • Sensitivity: 85dB @ 1W/1m
    • Each
    • Part No. 322374
    • SKU PLTPX10
    • Vendor SKU PX10
    • Retail Price$79.00
  • Related Products 5 Channel | 5 Channel Amp
    Power Acoustik® BAMF5-2500

    BAMF Series Full-Range Class AB Amp (5 Channels, 2,500 Watts max)

    • Class AB
    • Die-cast aluminum-alloy heat sink for optimum dissipation
    • 2Ω stereo & 4Ω bridged full-range operation
    • MOSFET power supply with audiophile-grade IRTM transistors
    • Military-grade SMT PCB maintains dynamic performance
    • Direct short, thermal & overload circuit protection
    • Angled wire terminals for secure wire connections
    • Chassis-integrated aluminum mounting points
    • Variable 12dB high-pass, low-pass & subsonic crossovers
    • 200mV–6V low-level RCA inputs
    • 4-gauge power wire & 8-gauge speaker wire outputs
    • 12dB bass boost increases low-octave harmonics
    • 5 channels (Class AB + Class D)
    • 2,500W max
    • 50W RMS x 4 + 425W RMS x 1 @ 4Ω
    • 100W RMS x 4 + 850W RMS x 1 @ 2Ω
    • 200W RMS x 2 + 850W RMS x 1 @ 4Ω brdiged
    • Includes dash-mount gain control
    • Dim: 2.25"H x 17"W x 8.5"D
    • Part No. 291400
    • SKU POWBAMF52500
    • Vendor SKU BAMF5-2500
    • Retail Price$187.60
  • Related Products Amplifier
    Pyle® PLMPA35

    300-Watt 2-Channel Mini Class AB Amp with 3.5mm Stereo Input

    • Class AB
    • 150W x 2 max
    • 15W RMS x 2 @ 4Ω
    • 3-way selectable electronic crossover network
    • Adjustable gain control
    • 3.5mm stereo audio inputs
    • Power protection circuitry
    • 4Ω stereo stable
    • Anti-thump turn on
    • Soft turn on/off
    • 12V–14.8V DC
    • Dim: 1.4"H x 2.99"W x 3.94"D
    • Part No. 264428
    • SKU PYLPLMPA35
    • Vendor SKU PLMPA35
    • Retail Price$51.99
  • Power Acoustik® MOFO-104X

    MOFO-X Series 10" 2,400-Watt Subwoofer (Dual 4Ω)

    • Dual 4Ω
    • Overcompensating motor structure for increased magnetic strength
    • 12mm T-yoke & top plate improve low frequency dynamics
    • Vented T-yoke & frame reduces voice coil heat buildup
    • Die-cast aluminum heat sink dust cap absorbs voice coil heat
    • Aluminum dust cap fins dissipate heat & strengthen cone
    • Nonmagnetic nonresonate die-cast aluminum frame
    • 2.5" 4-layer voice coil with large-gauge wire increases power
    • High-temperature-tolerance adhesives resist thermal failure
    • Nickel-plated 8-gauge spring-loaded compression wire terminals
    • Nontransfer spruce pulp cone with UV & chemical protection
    • High-density polyether foam surround with UV & chemical protection
    • Dual-polycotton suspension dampens violent accelerations
    • Stitched voice coil leads prevent potential damage
    • 2,400W max
    • 1,200W RMS
    • Efficiency: 83.48dB @ 1W/1m
    • Motor volume: 288oz
    • Mounting depth: 6.125"
    • Optimum sealed enclosure: .75 cu ft
    • Optimum ported enclosure: 1.25 cu ft
    • Includes 1-piece gasket/trim ring with concealed mounting holes
    • Part No. 322842
    • SKU POWMOFO104X
    • Vendor SKU MOFO-104X
    • Retail Price$194.99
  • Power Acoustik® MOFO-102X

    MOFO-X Series 10" 2,400-Watt Subwoofer (Dual 2Ω)

    • Dual 2Ω
    • Overcompensating motor structure for increased magnetic strength
    • 12mm T-yoke & top plate improve low frequency dynamics
    • Vented T-yoke & frame reduces voice coil heat buildup
    • Die-cast aluminum heat sink dust cap absorbs voice coil heat
    • Aluminum dust cap fins dissipate heat & strengthen cone
    • Nonmagnetic nonresonate die-cast aluminum frame
    • 2.5" 4-layer voice coil with large-gauge wire increases power
    • High-temperature-tolerance adhesives resist thermal failure
    • Nickel-plated 8-gauge spring-loaded compression wire terminals
    • Nontransfer spruce pulp cone with UV & chemical protection
    • High-density polyether foam surround with UV & chemical protection
    • Dual-polycotton suspension dampens violent accelerations
    • Stitched voice coil leads prevent potential damage
    • 2,400W max
    • 1,200W RMS
    • Efficiency: 83.62dB @ 1W/1m
    • Motor volume: 288oz
    • Mounting depth: 6.125"
    • Optimum sealed enclosure: .75 cu ft
    • Optimum ported enclosure: 1.25 cu ft
    • Includes 1-piece gasket/trim ring with concealed mounting holes
    • Part No. 322843
    • SKU POWMOFO102X
    • Vendor SKU MOFO-102X
    • Retail Price$194.99
  • Serene Life AZPSLBAR8

    Waterproof Solar-Powered Animal Repeller

    • Repels unwanted animals & pests
    • Motion detection triggers an ultrasonic sound & light flash
    • Built-in speaker emits a safe ultra-high frequency alert
    • Rugged marine-grade waterproof (IP44) construction
    • Works day or night with built-in IR detection sensor
    • Wall-mountable or outdoor in-ground mounting
    • Automatic charging via built-in solar panel
    • Works for unwanted bats, birds, pigeons, pests & critters
    •  Perfect for gardens, front yards, back yards & flowering areas
    • 6 selectable alert sounds
    • Covers up to 30ft wide line
    • 110° wide-angle detection
    • 320-lumen flash brightness
    • Dim (with spike): 16.2"H x 4"W x 6.2"D
    • Includes 4 AA rechargeable batteries
    • Part No. 330479
    • SKU PYRAZPSLBAR8
    • Vendor SKU AZPSLBAR8
    • Retail Price$111.99
  • Related Products Solar | Pest Repeller
    Serene Life AZPSLSAR4

    Solar Power Pest Repeller

    • Effectively repels unwanted animals & pests
    • 2 mounting options—wall or in-ground
    • Effective up to 30ft
    • Motion detection triggers an ultrasonic sound & light flash
    • Wide angle detection up to 110°
    • Built-in speaker emits a safe ultra-high frequency alert
    • Rugged marine-grade waterproof (IP44) construction
    • Works day or night
    • Built-in IR detection sensor
    • Solar panel for self-charging
    • Volume & sound adjustable control
    • Works for unwanted bats, birds, pigeons & pests
    • Ideal for gardens, front yards, back yards & flowering areas
    • Includes 4 AA batteries
    • Part No. 330490
    • SKU PYRAZPSLSAR4
    • Vendor SKU AZPSLSAR4
    • Retail Price$73.99
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