SKU: 68412547353

Spark 40-Watt Smart Guitar Amp and Bluetooth Speaker in Black

Sale price$134.55 Regular price$149.50
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

Spark 40-Watt Smart Guitar Amp and Bluetooth Speaker in BlackDESCRIPTION Bold, spacious sound, classic looks, and elevated tone from the smart amp that started it all. Jam, play and practice more with millions of songs. Create a customized look with your own grille design. Access over 100,000 tones powered by our award winning Tone Engine. Dive into over 50,000 custom guitar and bass amp & effects presets on ToneCloud. Search, download, and start jamming with tones made by guitar pros, studio engineers,

DESCRIPTION 

Bold, spacious sound, classic looks, and elevated tone from the smart amp that started it all. Jam, play and practice more with millions of songs. Create a customized look with your own grille design. Access over 100,000 tones powered by our award-winning Tone Engine.

Dive into over 50,000 custom guitar and bass amp & effects presets on ToneCloud. Search, download, and start jamming with tones made by guitar pros, studio engineers, producers, and guitarists. It’s the tone playground that never closes.

Two custom-designed speakers and a tuned bass-reflex port provide well-rounded basses and crystal-clear highs. Every style of music sounds and feels just right. Plug in and play. Or stream your music using Bluetooth® in high-definition audio.

FEATURES

The Amp That Jams Along With You

Simply start to play and the Spark amp and app work together to learn your style and feel. Then Spark generates authentic bass and drums to accompany you in real time. It’s a smart virtual band that’s always ready to jam!

Automatic Guitar Chords 
for Millions of Songs

Choose any song. Spark’s smart app will auto display its guitar chords in real time as you play. Easy controls let you slow down the song’s tempo. Loop a difficult section to learn and master parts.

Control Without Lifting a Finger

The Spark app responds to your voice commands. Tell it to stream a rock song or a blues backing track. Or ask for a virtual band to follow your playing.

SPECIFICATIONS 
  • Frequency Range: 20-20,000 Hz
  • Stereo/Mono: Stereo
  • Maximum Sound Pressure Level: 
    • RMS: 109 dB SPL @ 1m
    • Peak: 116 dB SPL @ 1m
  • Cabinet Principal: Bass-reflex
  • Power Amplifiers: 40 Watt Class D Amplifier
  • Speakers: Two - 4" Custom Designed Speakers
  • Total Impedance: 4 ohms
  • Top Panel Controls: Amp Type, Gain, Bass, Mid, Treble, Master, Mod, Delay, Reverb, Output Volume, Music Volume, Four Programmable Preset Buttons, Tap/Tuner Button
  • Rear Panel: USB Port, AUX in, DC in
  • Onboard Effects: 33 Amp Models, 43 Effects, (Noise Gate, Compressor, Distortion, Modulation/EQ, Delay, Reverb)
  • Wired Connectivity:
    • 1/4" Guitar Input
      1/8" aux Input
      1/8" Headphone
  • Wireless Connectivity: Bluetooth Audio
  • USB Audio:
    • USB Interface for Recording
      1 In x 2 Out
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 68412547353

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lovecolor1
Pawtucket, US
★★★★★ 5
My favorite
Size: Medium, Color: Opal Blue/White/Cruise Blue (3-pairs)
My favorite socks, too bad under armour discontinued the cotton blend fabric and went to 100% polyester 😠
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
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Natalie Williams
Lowell, US
★★★★★ 5
Comfortable
Size: 6-10, Color: Halo Gray/Assorted
These are my favorite socks!
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Reviewed in the United States on September 22, 2025
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The bookish health nut
Omaha, US
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer: Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free. No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them. Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day. Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions. Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently. Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game. If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks. 5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024
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DLynn
Boise, US
★★★★★ 5
My Husband’s Favorite Socks
Size: Large, Color: (035) Steel / White / Black
The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks. Comfortable Fit: They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching. Great for Everyday Wear: Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky. Durable & Long-Lasting: These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly. Reliable Under Armour Quality: You can tell they’re well made. Consistent quality that matches what you expect from Under Armour. Overall Impression: When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.
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Reviewed in the United States on December 30, 2025
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Kendall King
Charlottesville, US
★★★★★ 5
Quality Under Armour socks
Size: Large, Color: (100) White / White / Black
Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show
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Reviewed in the United States on May 2, 2026

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