Best Battery Powered Bass Amp

SOULION R40 Computer Speakers USB/Bluetooth V5.3 Desktop Speakers for PC Monitor Gaming with Customize 6 Lighting Effects 2.0 Channel Surround Stereo & Quality Bass

  • 【Crystal Clear Sound & Enhanced Bass】- R40 computer speakers have a full range 2.0 channel stereo core with 2x5W large speaker units, along with backside bass-reflex holes, delivering rich and clear audio for music, movies, and gaming..
  • 【Rich Lighting Effects & Compact Size】- The Computer Speakers adopt the RGB rainbow lights line on both sides. It can be changed to 6 lighting modes, and also can be turned off. There is a about 40inch cable between the two speakers which is long enough for desktop monitors decoration..
  • 【Wired Mode - Plug & Play】- The Upgrated 49inch 2-in-1 USB cable with both power supply and AUX function, widely compatible with PC computers or laptops whose system is Windows, Chrome OS, and MAC OS(Without any drivers), also provides more stable audio..
  • 【Wirless Mode - Bluetooth V5.3】- You can wirlessly connect the speakers with Bluetooth. Compatible with Tablet, Smartphones. (Note: Need USB Powered)..
  • 【Multi-function 4-Buttons System】- There are 2 functions on each button, such as power & mode, light & pause or play adjustment, previous & volume+, and Next & volume-..
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Bluetooth Speaker, DOSS SoundBox Pro+ Wireless Speaker with 24W Stereo Sound, Punchy Bass, IPX5 Waterproof, 15Hrs Playtime, Wireless Stereo Pairing, Multi-Colors Lights, Speaker for Home,Outdoor-Black

  • Beat-Driven Party Lights: The mixed colors flashing lights that sync to the beat including line lights and speaker lights. The Bluetooth speakers with lights create a pulsing light show for any song and turn up the party vibe..
  • Extended Playtime: Built-in a rechargeable lithium-ion battery, this battery-powered speaker plays seamless music for up to 15 hours at 50% volume without light. (battery life will vary with use, settings, and environmental conditions)..
  • Outdoor Bold Sound: With IPX5 Waterproof, keep your party tracks going on by the outdoor patio, poolside, or beach even in less-than-perfect weather. Portable and durable design, take your music to outdoor travel, camping, or anywhere really..
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VOX AP2BS amPlug 2 Bass Headphone Amplifier with Over-Ear Headphones

  • BUNDLE INCLUDES: VOX AP2BS amPlug 2 Bass Guitar/Bass Headphone Amplifier and Knox Gear TX-100 Closed-Back Studio Monitor Headphones.
  • PERFECT FOR BASS: Designed specifically for low frequencies, offering a wide-range response.
  • CIRCUITRY: Multi-stage gain circuitry and analog technology reproduce the sound of a tube amp.
  • FOLDING PLUG: Folding plug mechanism rotates 180 degrees to fit any bass.
  • LONG LIFE: Up to 17 hours of battery life.
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Tune-Bot Studio TBS-001 Digital Drum Tuner - Clip-On Tuner for Acoustic Drum Kits

  • ...this tuner is built to last. In the unlikely event the KLIQ UberTuner stops working, we'll replace it or give you 100% of your money back..
  • AUTOMATIC POWER-OFF & MEMORY BACK-UP FUNCTIONS: Ultra-low-power and auto-off function save energy and extend the life of the battery. Memory back-up keeps all settings even after powered off..
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Headphone Amplifier with Bass Boost, Support 3.5mm AUX and Type-C 16-600Ω Headphone -3.5mm Stereo Audio Out, GAIN, Bass for Mac, Phones, iPad, MP3, MP4 and Computers,Xbox one,PS4,PS5 Controller

  • ...more mobile phone, computer, notebooks.
  • 【Two-stage Gain Switch and a Bass Boost】-- It enhances the signal input Into the amp circuit for optimal performance of the headphones.With bass switch, providing more delicate and mellow bass performance, giving you a more shocking music experience.
  • 【Rechargeable Lithium Battery】-- It adopts a rechargeable lithium battery with 3000mAh capacity, which allows the headphone amp to stay working more than 10-15 Hours. Beside, the amp comes with Type-C cable and audio cable,more convenient for you to plug and play.
  • 【Volume Control Knob】 --There is knob allowing you to adjust the volume, which is also an on/off switch so that you can turn it off without unplugging the amp.
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At the Mountains of Madness: The Definitive Edition (Modern Library Classics)

  • POWERED SUBWOOFER FOR EXTRA BASS & PUNCH – A 10-inch Dynamic Balance woofer & a uniquely configured directed port provides accurate bass with added depth that brings your music and movies alive. A perfect solution for your small-to-mid size room.Mounting Type: Floor Standing.
  • LOUDER CLEARER SOUND EVEN AT HIGH VOLUME – Enjoy a thrilling yet balanced music experience with rich, deep sound, even at low frequencies. BLENDS EASILY WITH ANY SPEAKER and plays the most demanding nodes effortlessly without any distortion.
  • DOUBLE THE AMPLIFIER POWER TO 100 Watts of Dynamic Power with its in-built 50-watt RMS amp. Sophisticated engineering with best in class resonance-free driver materials make this sub highly durable and FIT FOR EXTENDED USE.
  • EASY TO INTEGRATE WITH EXISTING SYSTEMS – Hook up this sub to the receiver and upgrade your music sound instantly. Features continuously variable 80-160 Hz crossover and 40-160 Hz (-3dB) frequency response.
  • A sleek detachable grille on the front, speaker and line-level inputs as well as speaker-level outputs on the back, and a Phase Toggle....
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Guitar Effects Interface Adapter Converter Link for iPhone,iPad,iPod Touch

  • Turns your iPhone/iPod touch/iPad into a complete guitar studio.
  • Studio quality sound to your headphones, guitar amp or powered speakers.
  • So intuitive and easy to use you'll be playing in just a few seconds.
  • The adapter is the guitar instrument interface adapter and guitar and bass tone mobile software is an easy to use.
  • Amps and effects are always with you and available by plugging your guitar/bass into your iPhone/iPod touch/iPad with hardware adapter - with no further setup needed.
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TERA PUMP Electric Multipurpose Gas Transfer Pump with Quick Stop Nozzle for Gas, Diesel, DEF & More

  • ... [ SUCTION TUBE ] Suction Tube length of about 15-inch, Fits 3-Gallon (~11.4-Liters) Gas Cans, 5-Gallon (~19-Liters) Gas Can or up to 5-Gallon Pails - Suction end Outer Diameter: 1-inch - Swivel Nut Nozzle prevents hose from tangling with 360 degree rotation.
  • [ BATTERY POWERED ] Powered with Two (D) Battery Powered, Sold Separately - Big Slide Switch: Big On/Off Switch - Works great with farm equipment, Industrial Vehicles and in Automotive Shops - U-Shaped battery compartment: U-shaped hook for easier storage.
  • [ MANUFACTURER WARRANTY ] TERA PUMP has been manufacturing reliable pumps for 10 Years and back their product with a 1-Year Warranty on Manufacturer Defects - Replacement Motor Cap, Battery Cover & Nozzle (Sold Separately) - CSA Certified for safe gasoline transfer per ANSI, UL, CSA and NSF standards.
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Parts Express Round Speaker Terminal Cup

  • POWERED SUBWOOFER FOR EXTRA BASS & PUNCH – A 10-inch Dynamic Balance woofer & a uniquely configured directed port provides accurate bass with added....
  • LOUDER CLEARER SOUND EVEN AT HIGH VOLUME – Enjoy a thrilling yet balanced music experience with rich, deep sound, even at low frequencies. BLENDS....
  • DOUBLE THE AMPLIFIER POWER TO 100 Watts of Dynamic Power with its in-built 50-watt RMS amp. Sophisticated engineering with best in class....
  • EASY TO INTEGRATE WITH EXISTING SYSTEMS – Hook up this sub to the receiver and upgrade your music sound instantly. Features continuously variable....
  • A sleek detachable grille on the front, speaker and line-level inputs as well as speaker-level outputs on the back, and a Phase Toggle Switch for....
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JBL Tune 215TWS True Wireless Earbud Headphones Pure Bass Sound, Bluetooth, 25H Battery, Dual Connect (White)

  • JBL PURE BASS SOUND: Powering festivals and concerts around the world for decades, now JBL brings your own world to life with incredible Pure Bass sound in these wireless earbuds..
  • WIRELESS IN STYLE: Experience total freedom with no cords with the True Wireless JBL Tune 215TWS earbuds..
  • UP TO 25 HOURS BATTERY (5 plus 20): these earphones have enough battery to last all day and all night. Keep your own private concert going for as long as you can keep up..
  • DUAL CONNECT: The power of Dual Connect gives you the choice to seamlessly enjoy music or make calls with either one or both buds. And the battery life keeps up with you, as you can keep one earbud charging, while using the other one..
  • SLEEK CHARGING CASE: The charging case for the JBL Tune 215TWS wireless headphones is as thoughtfully designed as the earbuds it holds, with a shape inspired by a river stone, a soft body, and a curved lid that pops up to give you fast access to your buds..
  • Included components: JBL Tune 215TWS, Type-C USB charging cable, Charging case, Warranty/Warning, Quick Start Guide/Safety Sheet.
  • Wireless communication technology: Bluetooth.
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