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Best Buy customers often prefer the following products when searching for signal generators.

Signal generators are invaluable tools for troubleshooting and testing audio equipment. But they are also used for calibrating microphones and other audio gear, generating test tones for speaker setup, creating reference signals for recording/mixing, and even as a musical instrument in their own right. We've gathered together the best for you below.

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  1. Insignia™ - Tabletop FM/HD Radio - Black - Front_Zoom

    Model: NS-HDRAD2
    SKU: 4888900
    Top comment

    "Worked great during hurricane Harvey since only the HD station had a working generator!...Reminds me of a transister I had in the early 60's. I had to extend the antenna to use this radio. "

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    Product Description

    Choose this Insignia HD tabletop radio to access a variety of HD programming. This compact digital radio fits well on a slim shelf or tabletop, and its 3.5mm jacks let you connect headphones or other audio devices. This Insignia HD tabletop radio has a large display screen that shows you song, artist and station information as you listen.
    See all Portable Radios
    Top comment

    "Worked great during hurricane Harvey since only the HD station had a working generator!...Reminds me of a transister I had in the early 60's. I had to extend the antenna to use this radio. "

    See all customer reviews

    Product Description

    Choose this Insignia HD tabletop radio to access a variety of HD programming. This compact digital radio fits well on a slim shelf or tabletop, and its 3.5mm jacks let you connect headphones or other audio devices. This Insignia HD tabletop radio has a large display screen that shows you song, artist and station information as you listen.
    See all Portable Radios
    See all Portable Radios
  2. Samsung - HW-Q990D/ZA 11.1.4 Channel Q-Series Soundbar with Wireless Subwoofer and Rear Speakers, Dolby Atmos and Q-Symphony - Black - Front_Zoom
    Top comment

    "I hope you have a soundproof room to really test the limits. Also works great with Spotify and Google Home. ...This sound bar s good with movie but I dont think its good for music"

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    Product Description

    Experience our greatest of all time-level audio synchronized with your TV’s speakers* and customized to your living space. With intelligently tuned, 11.1.4 Ch. True Dolby Atmos Sound, the Q990D stands above the rest.
    See all Sound Bars
    Top comment

    "I hope you have a soundproof room to really test the limits. Also works great with Spotify and Google Home. ...This sound bar s good with movie but I dont think its good for music"

    See all customer reviews

    Product Description

    Experience our greatest of all time-level audio synchronized with your TV’s speakers* and customized to your living space. With intelligently tuned, 11.1.4 Ch. True Dolby Atmos Sound, the Q990D stands above the rest.
    See all Sound Bars
    See all Sound Bars
  3. Soundcore - by Anker P25i True Wireless In-Ear Headphones - Black - Front_Zoom
    Top comment

    "LOVED the app - it allows customization of sound and touch/tap function profiles, and as a bonus, it has white noise generator and you can make your own too! The rubber tips were a bit loose for me, but they are manageable....Sara S"

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    Product Description

    Experience performance and value with soundcore P25i true wireless earbuds. The lightweight design and 10mm drivers mean that you can listen to tunes with thumping bass in rich detail, all day long. Personalize your listening experience with 22 preset EQs, customizable controls, gaming mode, and white noise. With up to 30 hours of playtime and fast charging, these earbuds are perfect for on-the-go listening. Plus, they come with a lanyard for easy carrying.
    See all All Headphones
    Top comment

    "LOVED the app - it allows customization of sound and touch/tap function profiles, and as a bonus, it has white noise generator and you can make your own too! The rubber tips were a bit loose for me, but they are manageable....Sara S"

    See all customer reviews

    Product Description

    Experience performance and value with soundcore P25i true wireless earbuds. The lightweight design and 10mm drivers mean that you can listen to tunes with thumping bass in rich detail, all day long. Personalize your listening experience with 22 preset EQs, customizable controls, gaming mode, and white noise. With up to 30 hours of playtime and fast charging, these earbuds are perfect for on-the-go listening. Plus, they come with a lanyard for easy carrying.
    See all All Headphones
    See all All Headphones
  4. Google - Pixel 8 Pro 256GB (Unlocked) - Obsidian - Front_Zoom
    Top comment

    "Good phone, although I am used to one plus camera which I think has warmer tones. And I am always scared of putting the phone down as the camera pops out. ...Magic Eraser phot and audio!"

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    Product Description

    Introducing Pixel 8 Pro, the all-pro phone engineered by Google. It’s sleek, sophisticated, powerful, and secure. With Google AI, you can do more, even faster. [1] The triple camera system includes a dedicated 5x telephoto lens, improved autofocus, and full-resolution photography with Pro controls. And the all-day battery charges faster than ever. [2] [3]
    See all All Unlocked Cell Phones
    Top comment

    "Good phone, although I am used to one plus camera which I think has warmer tones. And I am always scared of putting the phone down as the camera pops out. ...Magic Eraser phot and audio!"

    See all customer reviews

    Product Description

    Introducing Pixel 8 Pro, the all-pro phone engineered by Google. It’s sleek, sophisticated, powerful, and secure. With Google AI, you can do more, even faster. [1] The triple camera system includes a dedicated 5x telephoto lens, improved autofocus, and full-resolution photography with Pro controls. And the all-day battery charges faster than ever. [2] [3]
    See all All Unlocked Cell Phones
    See all All Unlocked Cell Phones
  5. Samsung - Galaxy A15 5G 128GB (Unlocked) - Blue Black - Front_Zoom
    Top comment

    "For a budget phone it works just as good as the Galaxy S series....Series A are wey shipper than series S and they do the same thing"

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    Product Description

    Awesome belongs to anyone with Galaxy A15 5G. Built with all the essential features, Galaxy A15 5G makes it easier to embrace cutting edge innovation while providing unmatched value. Immerse yourself in your favorite content, showcased in crisp clarity on a bright display. Capture and cherish precious moments spent with friends and family using a triple lens camera system, and never worry about running out of space with expandable storage. Power through your day with a reliable battery that charges at lightning speed with Super Fast Charging. Plus, with multilayered Knox Security, you can trust that your A15 5G keeps your personal data safe and secure. Experience the awesomeness in every day with Galaxy A15 5G where innovation meets accessibility.
    See all Samsung Galaxy A Series
    Top comment

    "For a budget phone it works just as good as the Galaxy S series....Series A are wey shipper than series S and they do the same thing"

    See all customer reviews

    Product Description

    Awesome belongs to anyone with Galaxy A15 5G. Built with all the essential features, Galaxy A15 5G makes it easier to embrace cutting edge innovation while providing unmatched value. Immerse yourself in your favorite content, showcased in crisp clarity on a bright display. Capture and cherish precious moments spent with friends and family using a triple lens camera system, and never worry about running out of space with expandable storage. Power through your day with a reliable battery that charges at lightning speed with Super Fast Charging. Plus, with multilayered Knox Security, you can trust that your A15 5G keeps your personal data safe and secure. Experience the awesomeness in every day with Galaxy A15 5G where innovation meets accessibility.
    See all Samsung Galaxy A Series
    See all Samsung Galaxy A Series
  6. JVC - True Wireless Noise Canceling Headphones - Black - Front_Zoom
    Top comment

    "I used them while I had a loud generator outside my window and couldn’t hear it at all while I was listening to my show through them on medium level volume....Great noise delete great sound quality great music audio"

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    Product Description

    JVC HAA30T true wireless headphones offer active noise canceling with a secure, lightweight, and comfortable fit. Up to 21 hours of total use with included rechargeable carrying case. Low latency for movies or gaming. Auto pairing and auto on/off. Independent single side use available with mic mute available. Touch controls for music or phone calls. Bass boost mode for enhanced sound (on/off). Sweat and splash-proof IPX4 rated. Integrated microphone with voice assistant compatibility. Bluetooth version 5.2 and USB-C charging.
    See all All Headphones
    Top comment

    "I used them while I had a loud generator outside my window and couldn’t hear it at all while I was listening to my show through them on medium level volume....Great noise delete great sound quality great music audio"

    See all customer reviews

    Product Description

    JVC HAA30T true wireless headphones offer active noise canceling with a secure, lightweight, and comfortable fit. Up to 21 hours of total use with included rechargeable carrying case. Low latency for movies or gaming. Auto pairing and auto on/off. Independent single side use available with mic mute available. Touch controls for music or phone calls. Bass boost mode for enhanced sound (on/off). Sweat and splash-proof IPX4 rated. Integrated microphone with voice assistant compatibility. Bluetooth version 5.2 and USB-C charging.
    See all All Headphones
    See all All Headphones
  7. CyberPower - LX1500GU3 Battery Backup UPS Systems - Black - Front_Zoom
    Top comment

    "I'm using it to back up my pc and laser, we continually have PSPS and other outages in my area and needed to be able to finish production runs while turning on the generator, good quality build, easy to set up, would recommend to a friend, would purchase again,...I've had no issues with these units running off of my generator. YMMV."

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    Product Description

    A mini-tower UPS with line interactive topology, the CyberPower LX1500GU3 provides battery backup (using simulated sine wave output) and surge protection for desktop computers, workstations, networking equipment, smart home devices, and home entertainment systems. The LX1500GU3 uses Automatic Voltage Regulation (AVR) to correct minor power fluctuations without switching to battery power, which extends battery life. AVR is essential in areas where power fluctuations occur frequently. The LX1500GU3 features an advanced multifunction control panel with a color LCD to quickly confirm status and alerts at-a-glance. Two USB charge ports (one Type-A and one Type-C) power portable devices such as mobile phones and tablets, even during a utility power failure. The LX1500GU3 comes with a three-year warranty (including coverage of batteries) and a $500,000 Connected Equipment Guarantee.
    See all Battery Backup (UPS)
    Top comment

    "I'm using it to back up my pc and laser, we continually have PSPS and other outages in my area and needed to be able to finish production runs while turning on the generator, good quality build, easy to set up, would recommend to a friend, would purchase again,...I've had no issues with these units running off of my generator. YMMV."

    See all customer reviews

    Product Description

    A mini-tower UPS with line interactive topology, the CyberPower LX1500GU3 provides battery backup (using simulated sine wave output) and surge protection for desktop computers, workstations, networking equipment, smart home devices, and home entertainment systems. The LX1500GU3 uses Automatic Voltage Regulation (AVR) to correct minor power fluctuations without switching to battery power, which extends battery life. AVR is essential in areas where power fluctuations occur frequently. The LX1500GU3 features an advanced multifunction control panel with a color LCD to quickly confirm status and alerts at-a-glance. Two USB charge ports (one Type-A and one Type-C) power portable devices such as mobile phones and tablets, even during a utility power failure. The LX1500GU3 comes with a three-year warranty (including coverage of batteries) and a $500,000 Connected Equipment Guarantee.
    See all Battery Backup (UPS)
    See all Battery Backup (UPS)
  8. Bose - QuietComfort Ultra Wireless Noise Cancelling Over-the-Ear Headphones - White Smoke - Front_Zoom
    Top comment

    "I am one of these crazy people that spends too much money on gadgets including audio devices. When I bought these, I figured I would see improvement over the QuietComfort 45 and 700's but I did not expect much out of the immersive audio because other spatial audio versions from other top companies have not impressed me. ...The noise cancelling is very good, better than the 700's really comfortable and smaller travel case to take them everywhere"

    See all customer reviews

    Product Description

    Level up with QuietComfort Ultra headphones – immersive, personalized sound meets premium, next-level noise cancelling headphones. Pushing the boundaries with breakthrough spatial audio, these wireless headphones take what you’re hearing inside your head and place it in front of you for more natural, real sounding music. Whatever your music source, it’s just like listening to it live when you’re wearing the QC Ultra headphones. Unique to Bose, the QC Ultra headphones feature CustomTune technology which analyzes your ear’s shape and adapts the audio performance so everything you listen to hits exactly as it should. You won’t want to take them off because of the refined and premium materials. The cushions wrap your ears in a soft hug. The headband spreads pressure evenly. And sleek metal arms add a statement of sophisticated design. Connect to your devices with advanced Bluetooth 5.3 headphones and keep track of what you have paired in the Bose app. It also walks you through setup, gives you access to Adjustable EQ settings, and more. The QuietComfort Ultra headphones, sound just got real. Available in Bose Black or Smoke White.
    See all All Headphones
    Top comment

    "I am one of these crazy people that spends too much money on gadgets including audio devices. When I bought these, I figured I would see improvement over the QuietComfort 45 and 700's but I did not expect much out of the immersive audio because other spatial audio versions from other top companies have not impressed me. ...The noise cancelling is very good, better than the 700's really comfortable and smaller travel case to take them everywhere"

    See all customer reviews

    Product Description

    Level up with QuietComfort Ultra headphones – immersive, personalized sound meets premium, next-level noise cancelling headphones. Pushing the boundaries with breakthrough spatial audio, these wireless headphones take what you’re hearing inside your head and place it in front of you for more natural, real sounding music. Whatever your music source, it’s just like listening to it live when you’re wearing the QC Ultra headphones. Unique to Bose, the QC Ultra headphones feature CustomTune technology which analyzes your ear’s shape and adapts the audio performance so everything you listen to hits exactly as it should. You won’t want to take them off because of the refined and premium materials. The cushions wrap your ears in a soft hug. The headband spreads pressure evenly. And sleek metal arms add a statement of sophisticated design. Connect to your devices with advanced Bluetooth 5.3 headphones and keep track of what you have paired in the Bose app. It also walks you through setup, gives you access to Adjustable EQ settings, and more. The QuietComfort Ultra headphones, sound just got real. Available in Bose Black or Smoke White.
    See all All Headphones
    See all All Headphones
  9. JBL - FLIP6 Portable Waterproof Speaker - Gray - Front_Zoom

    Model: JBLFLIP6GREYAM
    SKU: 6488914
    Top comment

    "I had 2 charge 5 and 3 flip 5's and now I have no flip 5s and Always love JBL!...The sound gets lost in the brazen cacophony of pressure washer, generator and vacuum."

    See all customer reviews

    Product Description

    Bold sound for every adventure. Your adventure. Your soundtrack. The bold new JBL Flip 6 delivers powerful JBL Original Pro Sound with exceptional clarity thanks to its 2-way speaker system consisting of an optimized racetrack-shaped driver, separate tweeter, and dual pumping bass radiators. This big-sounding, yet easy to carry speaker is waterproof and dustproof, so you can take it anywhere in any weather. And with 12 hours of battery life, you can party ‘til the sun goes down—or comes up—wherever the music moves you. Use PartyBoost to link multiple compatible speakers. The Flip 6 comes in a variety of cool colors.
    See all Bluetooth & Wireless Speakers
    Top comment

    "I had 2 charge 5 and 3 flip 5's and now I have no flip 5s and Always love JBL!...The sound gets lost in the brazen cacophony of pressure washer, generator and vacuum."

    See all customer reviews

    Product Description

    Bold sound for every adventure. Your adventure. Your soundtrack. The bold new JBL Flip 6 delivers powerful JBL Original Pro Sound with exceptional clarity thanks to its 2-way speaker system consisting of an optimized racetrack-shaped driver, separate tweeter, and dual pumping bass radiators. This big-sounding, yet easy to carry speaker is waterproof and dustproof, so you can take it anywhere in any weather. And with 12 hours of battery life, you can party ‘til the sun goes down—or comes up—wherever the music moves you. Use PartyBoost to link multiple compatible speakers. The Flip 6 comes in a variety of cool colors.
    See all Bluetooth & Wireless Speakers
    See all Bluetooth & Wireless Speakers
  10. KitchenAid - 1.1 Cu. Ft. Over-the-Range Microwave with Sensor Cooking - Black Stainless Steel - Front_Zoom
    Top comment

    "So far so good. Will get a true test when we are able to host a dinner party again....Of particular notice, the end of cycle tone and reminder tones are a real treat! Just loud enough to hear but do not scare you when sounding off. "

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    Product Description

    Complete your kitchen with this 1.1 cu. ft. KitchenAid over-the-range microwave. Its selection controls and sensor cooking function provide precise heating for various food items, and its 12-inch turntable accommodates a large dish. The 500-cfm hood of this 30-inch low-profile KitchenAid over-the-range microwave has four speed levels for flexible ventilation.
    See all All Microwaves
    Top comment

    "So far so good. Will get a true test when we are able to host a dinner party again....Of particular notice, the end of cycle tone and reminder tones are a real treat! Just loud enough to hear but do not scare you when sounding off. "

    See all customer reviews

    Product Description

    Complete your kitchen with this 1.1 cu. ft. KitchenAid over-the-range microwave. Its selection controls and sensor cooking function provide precise heating for various food items, and its 12-inch turntable accommodates a large dish. The 500-cfm hood of this 30-inch low-profile KitchenAid over-the-range microwave has four speed levels for flexible ventilation.
    See all All Microwaves
    See all All Microwaves
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