Reviews Usb Amplifier

RockvilIe 1000 Watt Home Theater Bluetooth Receiver+(4) 3.5' Black Cube Speakers

  • Package Includes: (1) RockvilIe RPA60BT 19" 1000w 2-Ch USB Bluetooth DJ/Pro/Karaoke Amplifier Mixer. (2) Cube by RockvilIe Pair of 3.5" Black Home Theater Wall Speakers+Swivel Brackets. : RPA60BT Receiver. Rack Ears (Detachable). (1) Remote Control. (1) AC Power Plug. Owners Manual. AC Power Plug. Antenna. Warranty Card. Features: RockvilIe RPA60BT 19" 1000 Watt 2-Channel USB and Bluetooth Karaoke Receiver/Amplifier/Mixer.
  • 19" rack mountable (removable rack brackets) digital hybrid amplifier/receiver. RMS Power @ 4 Ohms: 125w x 2. Peak Power @ 4 Ohms: 500w x 2. RMS Power @ 8 Ohms: 100w x 2. Peak Power @ 8 Ohms: 400w x 2. THD: > 0.1%. Input Sensitivity: 400mv/33 KOhm. Frequency Response: 20 Hz - 20 kHz. Signal to Noise Ratio: 80 dB. Tone Characteristic: 100Hz-10KHz 12dB. 110v/220v Switchable. Inputs: lpod/MP3 - 1/8 Mini Jack Style, 1/4 Headphone Jack, 1/4" Mic 1 and Mic 2 Inputs, USB Input.
  • Rear Inputs:RCA Input for DVD or CD. Rear Outputs: Preamp output for an external additional amplifier or powered speaker Sub preamp output to connect a powered subwoofer or an amplifier. Preamp output for an external additional amplifier or powered speaker. Sub preamp output to connect a powered subwoofer or an amplifier. Record output to connect a recording device. ....
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Rockville RGHR2 Marine Bluetooth Receiver+Remote+(4) 8\ Wakeboards+Amplifier+Kit

  • Package Includes: (2) Rockville MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin. (1) Rockville RGHR2 Marine Gauge Hole Receiver w Bluetooth USB, Radio + Wired Remote. (1)Rockville RMWK8 8 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit. (2) Pair Rockville RWB90W White 8" 300w Marine Wakeboard 360° Swivel Tower Speakers. (1) Rockville RXM-F3 1600 Watt Marine/Boat 4 Channel Amplifier Amp+PA Microphone. Features: Rockville MRCA25 RCA Interconnect Cable.
  • 25 Ultra-Flexible PVC Shield. Twisted Pair. Premium Audiophile Marine RCA Interconnect Cable. High Performance Water Proof RCA Plugs. Tinned Copper Strands for Sonic Purity. Outstanding Noise Rejection, Accuracy, and Frequency Response. Marine digital media receiver. Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty. Rockville RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM.
  • Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on a USB t....
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Rockville RGHR2 Marine Bluetooth USB Receiver+Remote+(4) 8' Wakeboard Speakers

  • Package Includes: (2) RockvilIe MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin. (1) RockvilIe RGHR2 Marine Gauge Hole Receiver w Bluetooth USB, Radio + Wired Remote. (1)RockvilIe RMWK8 8 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit. (2) Pair RockvilIe RWB80W 8" White 2 Way 600 Watts, 300 Watt Marine Wakeboard Tower Speakers. (1) RockvilIe RXM-F3 1600 Watt Marine/Boat 4 Channel Amplifier Amp+PA Microphone. Features: RockvilIe MRCA25 RCA Interconnect Cable.
  • 25 Ultra-Flexible PVC Shield. Twisted Pair. Premium Audiophile Marine RCA Interconnect Cable. High Performance Water Proof RCA Plugs. Tinned Copper Strands for Sonic Purity. Outstanding Noise Rejection, Accuracy, and Frequency Response. Marine digital media receiver. Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty. RockvilIe RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM.
  • Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on....
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Rockville RGHR51 5 Zone Single Din Marine Receiver Bluetooth/Radio/Wired Remote

  • ...1 Single-Din Weather Resistant Digital Media Receiver with 5 Zones that each have independent volume control. Includes wired remote with the ability to control the volume in each zone. 4" TFT color display makes it easy to navigate menus. Built in Bluetooth/USB/AM/FM playback. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). 3 pairs of pre-amp outputs each with independent volume controls..
  • 5 zones each with volume control (zone 1+2 = built in amplifier, zones 3, 4, 5 are the RCA outputs. Built in EQ with preset EQ curves (Pop, Classic, Rock, Jazz, Beat, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on a USB thumb drive or any other USB device. USB plays video. RCA A/V input to play back a video source. Rear camera input. RCA Aux Input. AM/FM Radio Built In with 18 FM and 12 AM presets + US and European tuning..
  • Bluetooth built in to stream audio from any Bluetooth enabled device. USB Input Charges Your Phone. Big easy to use buttons. IP66 waterproof level. meet ASTM B117 and ASTM D4329 standards. Humiseal coated PCB board for waterproofing and protection from the elements. USB is 500mA and 5V and supports 16GB max. Specs of the built in amplifier. TDA7850 power amplifier....
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XY-S100H 2.1 Channel Bluetooth Power Amplifier Board with APP Control, TPA3116 Chip 50W×2+100W, 12V-24V Audio Power Amplifier Module, Support Setting Bluetooth Name and Password

  • 【What chip does this power amplifier board use? ] This power amplifier board adopts two TPA3116D2 chips, wide voltage input DC: 12-24V, and the output power amplifier peak value can reach 50W*2+100W (PMPO)..
  • 【How many input modes？】 This power amplifier board has three input modes, USB mode (USB flash memory mode and USB sound card mode), Bluetooth mode, and AUX mode. The priority of the input mode is the hardware priority principle. You can also switch its audio input source at any time through the APP..
  • 【Treble and Bass Controls！】 If you are tired of the inherent treble and bass, why not try the treble and bass control knobs! No matter what, you can always create the sound you like..
  • 【Additional Features！】In order to explore the maximum potential of this power amplifier board, we have developed an APP for this power amplifier board. You can adjust the sound effect of the power amplifier board through the APP, set the Bluetooth name and password of the power amplifier board, and even set whether a prompt sound is required, etc..
  • 【7 * 24 Hours After-sales Service！】Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems,....
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Rockville Hybrid Bluetooth Karaoke Home Theater System and (4) 4\ Speakers+(2) Mics

  • Package Includes: (1) RockvilIe RPA70WBT 1000w 2-Ch USB Bluetooth Pro/Karaoke Amplifier/Mixer+(2) Mics, (2) Pair of RockvilIe HP4S-8 BK 4" Outdoor/Indoor Swivel Home Theater Speakers in Black.
  • Features of RPA70WBT: RockvilIe RPA70WBT 1000 Watt 2-Channel Pro/Karaoke Amplifier/Mixer with (2) Wireless Microphones and USB + Bluetooth, RMS Power @ 4 Ohms: 125 Watts x 2, Peak Power @ 4 Ohms: 500 Watts x 2, RMS Power @ 8 Ohms: 100 Watts x 2, Peak Power @ 8 Ohms: 400 Watts x 2, THD: 003e 0.1%, Input Sensitivity: 400mv/33 KOhm, Frequency Response: 20 Hz - 20 kHz, Signal to Noise Ratio: 80 dB, Tone Characteristic: 100 Hz - 10 kHz +/-12dB, 110v/220v switchable.
  • 19" Rack Mountable (Removable Rack Brackets) Digital Hybrid Amplifier/Receiver, Inputs On Front of Unit, lpod/MP3 - 1/8" mini jack style, 1/4" headphone jack, 1/4" Mic 1 and Mic 2 Inputs,USB Input, Rear Inputs: RCA Input for DVD or CD, Rear Outputs: Preamp output for an external additional amplifier or powered speaker,Sub preamp output to connect a powered subwoofer or an amplifier,Record output to connect a recording device,Rear Speaker Terminals: Banana plug / binding post outputs for speakers.
  • Bluetooth Capable, Built-in Preamplifier, Multicolor LED display, Digital Quartz Synthesized AM / FM tuner w/50 ....
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MAONO Voice Amplifier, Rechargeable Portable Mini Personal Speaker with Microphone Headset for Teachers, Coaches, Tour Guides, Market, Classroom, Meetings, Outdoors, C03

  • NOTE: Please tear off the yellow tape on the battery before use to avoid the battery cannot be charged. Easy to Operate: Voice Amplifier has a good amplification function. The cardioid microphone collects only the voice from your mouth without picking up any background sound. A wired microphone guarantees output more stably than wireless ones. Voice amplifier easy to operate, Suitable for tour guides, teachers, supermarket promotion.
  • Pocket Design But Powerful: Reduces your weight burden: It is only 3.1 x 1.8 x 3.4 inches and 127g (lighter than iPhone 6). It’s Mono loudness up to 126dB. The Sound covers over about 4000 sq. ft. Super lightweight but powerful makes your presentations more successful. Note this version is lower than the C01 voice amplifier in volume. If you are not satisfied with C03 mini voice amplifier, we recommend C01 voice amplifier.
  • Long Working Time: The inbuilt battery of 1020 mA provides about 10-hour working time, If use it for 3 hours per day, you can use it for about 1 week after 3 hours of full recharge. Suitable for Classrooms, Meetings, and Outdoors. We also provide a 12-month warranty to ensure a good shopping experience.
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TV Antenna, TV Antenna Indoor, Digital Amplified Indoor HDTV Antenna, Support 4k 1080p Television Local Channels Detachable Signal Amplifier, 250+ Miles Range Hi-Power Amplified Antenna

  • [330+ Miles Long Range Antenna] 330+ Miles signal reception range, equip with new type switch control amplifier booster for more channels . The new technology filter out cellular and FM signals, bring clear pictures, low noise and access to broadcast signals .If the hd antenna for tv indoor can’t receive channel or receive less channels with current range, please turn the amplifier to another range, and you should have to search again after switching..
  • [18 FT LONG COAXIAL CABLE & USB POWER ADAPTER:] Makes tv antenna indoor easier for you to place it in your house to get the best reception, especially for customers whose televisions are quite far away from windows. Smart IC USB Power Adapter with built-in overvoltage protection will help if in your TV there is no USB output for connecting dtv antenna to the power supply. Note: Please switch the amplifier to “short range” if your house is very closer to the broadcast tower (within 35 Miles)..
  • [Full HD Channels:] With Our UPGRADED TV antenna no more need to pay a HUGE bill on TV. Our HD antenna can receive FULL HD Channels like ABC, CBS, NBC, PBC, Fox and SO MUCH MORE. With amplified tv antenna start to access all of the news, sitcoms, kids and sports programs! ADVANCED TOOL FOR LIFE TO RECEIVE THE ....
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TV Antenna, TV Antenna Indoor, 50 Miles Digital Amplified Indoor HDTV Antenna, 250+ Miles Range Hi-Power Amplified Antenna, for 4k 1080p Local Channels Support All Television

  • [330+ Miles Long Range Antenna] 330+ Miles signal reception range, equip with new type switch control amplifier booster for more channels . The new technology filter out cellular and FM signals, bring clear pictures, low noise and access to broadcast signals .If the hd antenna for tv indoor can't receive channel or receive less channels with current range, please turn the amplifier to another range, and you should have to search again after switching..
  • [18 FT LONG COAXIAL CABLE & USB POWER ADAPTER:] Makes tv antenna indoor easier for you to place it in your house to get the best reception, especially for customers whose televisions are quite far away from windows. Smart IC USB Power Adapter with built-in overvoltage protection will help if in your TV there is no USB output for connecting dtv antenna to the power supply. Note: Please switch the amplifier to "short range" if your house is very closer to the broadcast tower (within 35 Miles)..
  • [Full HD Channels:] With Our UPGRADED TV antenna no more need to pay a HUGE bill on TV. Our HD antenna can receive FULL HD Channels like ABC, CBS, NBC, PBC, Fox and SO MUCH MORE. With amplified tv antenna start to access all of the news, sitcoms, kids and sports programs! ADVANCED TOOL FOR LIFE TO RECEIVE THE CHANNE....
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MP3 USB Flash Drive Micro SD TF Card Player Lossless Decoder Amplifier Board Module by Envistia Mall

  • Use this DIY MP3 player/audio decoder module to build your own MP3 player, Boom Box or portable audio player..
  • Connect directly to headphones, or pair the stereo output of this player with an audio amplifier board to power your speakers..
  • Plays MP3 audio files on a TF (MicroSD) card (the memory card used in cell phones), or a USB drive in U disk playback mode..
  • 3.5mm headphone jack to connect headphones or to an external stereo amplifier. Onboard 2W mono amplifier to directly connect a speaker (single channel....
  • Can be powered with standard 5V USB power (a USB power supply or power bank) through the Micro USB power connector. Can also be powered by a 3.7V to....
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Rockville RXM-F4 Marine 4 Channel Amplifier 2400w Peak/600w RMS+PA Microphone, White & RGHR2 Marine Gauge Hole Receiver W Bluetooth USB, Radio + Wired Remote

  • Product 1: Rockville RXM-F4 Marine 4 Channel Amplifier 2400w Peak/600w Dyno-Certified RMS +PA Microphone.
  • Product 1: Features: Rockville RXM-F4 Marine 4 Channel Amplifier 2400w Peak/600w Dyno-Certified RMS +PA Microphone. 2400 Watt Peak/1200w RMS. PA Microphone Included..
  • Product 1: Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 400 Watts (4 x 100 Watts) at 4 ohms and 1% THD+N..
  • Product 1: 600 Watts (4 x 150 Watts) at 2 ohms 003c 1% THD. 2 x 300 Watts bridged @ 4 Ohms 003c 1% THD. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc): 2400 Watts (2 x 1200 @ 2 ohms or 1 x 2400 @ 4 Ohms)..
  • Product 2: Included in the box: Marine digital media receiver. Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty.
  • Product 2: Rockville RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM. Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested t....
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Rockville RGHR45 4 Zone Bluetooth Marine Receiver Bundle with (4) MB Quart NF1-116B 6.5\ 80 Watt Marine 2-Way Coaxial Black Speakers Compatible with Boat

  • ...Receiver with 4 Zones that each have independent volume control Includes wired remote with the ability to control the volume in each zone 3” TFT color display makes it easy to navigate Built in Bluetooth/USB/AM/FM playback Fits into a standard Gauge-Hole (Tachometer) Opening Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS) 3 pairs of pre-amp outputs.
  • 4 zones each with volume control (zone 1 = built in amplifier, zone 2 and 3 are RCA outputs, and zone 4 is the sub output) Built in EQ with preset EQ curves (Pop, Classic, Rock, Jazz, Beat, Flat) IP66 Waterproof Certification (Tested to withstand the elements) USB Input to play back audio files store on a USB thumb drive or any other USB device USB plays video RCA A/V input to play back a video source.
  • Rear camera input RCA Aux Input AM/FM Radio Built In with 18 FM and 12 AM presets + US and European tuning Bluetooth built in to stream audio from any Bluetooth enabled device USB Input Charges Your Phone Big easy to use buttons.
  • Back-lit 3 inch TFT display IP66 waterproof level meet ASTM B117 and ASTM D4329 standards Humiseal coated PCB board for waterproofing and protection from the elements Required cutout: 2.99" (diameter) x 4.96" (depth) x 4.53” (top plate diameter) 6.24 inch depth inclu....
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Rockville RGHR2 Marine Gauge Hole Receiver W Bluetooth USB, Radio + Wired Remote

  • .... Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty.
  • Rockville RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM. Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on a USB thumb drive or any other USB device. RCA Aux Input. AM/FM Radio Built In with 18 FM and 12 AM presets + US and European tuning.
  • Bluetooth built in to stream audio from any Bluetooth enabled device. USB Input Charges Your Phone. Two Sets of RCA Outputs (Front and a switchable rear/sub) allow you to connect external amplifiers. Big easy to use buttons. Backlit LCD display. Wired Remote Control Included (normally $50). Required cutout: 2.96" (diameter) x 2.75" (depth). USB is 500mA and 5V and supports 16GB max. Dimensions: 2.96" cutout mounting diameter. 4.45" diameter top plate. 3.9" mounting depth (not including top plate). 5.0" depth including the top plate.
  • Specs of the built in amplifier: TDA7851L quadbridge power amplifier. 4 x 72 watts peak ....
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