Garage
Shop

Koss Headphone Amplifiers

Loading...
Filters
Question Mark Icon of Question Mark
Some headphone amplifiers are designed to be portable and others are meant to be placed on a desk. This will tell you what style of amplifier this item is.
Question Mark Icon of Question Mark
This is the manner in which the headphone amplifiers receive an input audio signal.
Question Mark Icon of Question Mark
This is the manner in which the headphone amplifier will output the audio signal.
Question Mark Icon of Question Mark
A Digital-to-Analog converter (also known as a DAC) converts a digital audio signal into an analog signal. This is especially helpful for listen to music from digital sources, such as iPods and smart phones.
Question Mark Icon of Question Mark
This is the required way to give the unit power. Common power sources are 120V AC (Common house plugs), batteries, or a combination of the two. If the headphone amplifier uses batteries, this will list the type of batteries that are required. Please refer to the description to find out how many are required for the unit to be properly powered.
Question Mark Icon of Question Mark
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Shop the Category

filter-icon Filters & Sort

Koss Porta Pro/Sporta Pro Ear Cushions

Fits Koss KSC11, KSC17, KSC75, PortaPro, and KTXPro1 Headphones

Go to item page Right Arrow Icon of Right Arrow

Fits Koss KSC11, KSC17, KSC75, PortaPro, and KTXPro1 Headphones

• Replacement Headphone Earpads
• Compatible Koss Models: KSC11, KSC17, KSC75, PortaPro, and KTXPro1
• Preserves Natural Sound Signature

• Replacement Headphone Earpads
• Compatible Koss Models: KSC11, KSC17, KSC75, PortaPro, and KTXPro1
• Preserves Natural Sound Signature

Koss VC20

Universal In-Line Volume Control w/ Pocket/ Belt Clip

Go to item page Right Arrow Icon of Right Arrow

Universal In-Line Volume Control w/ Pocket/ Belt Clip

• Universal Volume Control
• Convenient Rotary Knob Increases Volume
• 3.5mm Input For Connection To Any Headphones
• 39 Inch Cord For Extended Activities
• Clip On Backside For Easy Placement And Convenience

• Universal Volume Control
• Convenient Rotary Knob Increases Volume
• 3.5mm Input For Connection To Any Headphones
• 39 Inch Cord For Extended Activities
• Clip On Backside For Easy Placement And Convenience

Koss Replacement Tips Spark Plug/The Plug Replacement Cushions

Replacement Plug Ear Cushion for Koss Spark Plug and The Plug Earbuds

Go to item page Right Arrow Icon of Right Arrow

Replacement Plug Ear Cushion for Koss Spark Plug and The Plug Earbuds

• Koss Ear Cushion Replacement Pack
• Compatible With Koss Plug, Sparkplug, Pathfinder, And Qz77 Earbuds
• Hydrophilic Formed Urethane For Sturdy Construction
• Various Ear Cushions For Custom Fitment

• Koss Ear Cushion Replacement Pack
• Compatible With Koss Plug, Sparkplug, Pathfinder, And Qz77 Earbuds
• Hydrophilic Formed Urethane For Sturdy Construction
• Various Ear Cushions For Custom Fitment

Koss P9 (156077) Vertical Ear-Clip Behind-the-Neck Sport Style Headphones

Ear Clip Headphones w/ Side-Firing Design and Volume Control

Go to item page Right Arrow Icon of Right Arrow

Ear Clip Headphones w/ Side-Firing Design and Volume Control

Ear Clip Headphones W/ Side-firing Design • Enhanced Bass Performance • Volume Control On Cord • Lightweight Design For Long Listening Sessions • Behind-the-head Design Provides Snug Fitment

Ear Clip Headphones W/ Side-firing Design • Enhanced Bass Performance • Volume Control On Cord • Lightweight Design For Long Listening Sessions • Behind-the-head Design Provides Snug Fitment

Koss KSC17 (155574) Street Style Headphones

On-Ear Headphones w/ Lightweight Sport Clip Design

Go to item page Right Arrow Icon of Right Arrow

On-Ear Headphones w/ Lightweight Sport Clip Design

On-ear Headphones W/ Lightweight Sport Clip Design • Great Sound Quality With Maximum Portability • Ultra-light Behind-the-head Sportclip Design • Improved Signal Transmission And Conduction For Cleaner, Clearer Sound • Volume Control On Cord Allows Easy Level Adjustment Volume Control On Cord Allows Easy Level Adjustment

On-ear Headphones W/ Lightweight Sport Clip Design • Great Sound Quality With Maximum Portability • Ultra-light Behind-the-head Sportclip Design • Improved Signal Transmission And Conduction For Cleaner, Clearer Sound • Volume Control On Cord Allows Easy Level Adjustment Volume Control On Cord Allows Easy Level Adjustment

Koss Y88 Dual 3.5mm Headphone Splitter Y-Adapter Cable

Dual Connection Headphone Splitter

Go to item page Right Arrow Icon of Right Arrow

Dual Connection Headphone Splitter

• Dual Connection Headphone Splitter • Useful For Friends Who Want To Share One Music Player • Noncorrosive Gold Connectors • Use With A Portable Cd, Minidisc, Mp3, Or Cassette Player • Can Be Used With 0.25-inch Or 0.125-inch Headphone Jacks

• Dual Connection Headphone Splitter • Useful For Friends Who Want To Share One Music Player • Noncorrosive Gold Connectors • Use With A Portable Cd, Minidisc, Mp3, Or Cassette Player • Can Be Used With 0.25-inch Or 0.125-inch Headphone Jacks

Koss KPH13 Over-The-Head Lightweight Headphones

On-Ear Side-Firing Active Headphones w/ Lightweight Design

Go to item page Right Arrow Icon of Right Arrow

On-Ear Side-Firing Active Headphones w/ Lightweight Design

On-ear Side-firing Active Headphones W/ Lightweight Design • Side-firing Elements Allow Smooth, Hear-through Sound • Lightweight Design For Extended Use • Over-the-head Design Fits Comfortably • Ideal For Listening On The Go

On-ear Side-firing Active Headphones W/ Lightweight Design • Side-firing Elements Allow Smooth, Hear-through Sound • Lightweight Design For Extended Use • Over-the-head Design Fits Comfortably • Ideal For Listening On The Go

Koss KSC9 SportClip Ultra-Lightweight Ear-Clip Stereophone Earbuds

In-Ear Dynamic Side-Firing Headphones w/ Rubber Eartips

Go to item page Right Arrow Icon of Right Arrow

In-Ear Dynamic Side-Firing Headphones w/ Rubber Eartips

In-ear Dynamic Side-firing Headphones W/ Rubber Eartips • Side-firing Design Ensures Earbuds Are Always Directly In Ear Canal • Eliminates Need For Conventional Headbands • Perfect For Physical Activity • Oxygen-free Copper Voice Coils

In-ear Dynamic Side-firing Headphones W/ Rubber Eartips • Side-firing Design Ensures Earbuds Are Always Directly In Ear Canal • Eliminates Need For Conventional Headbands • Perfect For Physical Activity • Oxygen-free Copper Voice Coils

Koss CLIPPERSIL (Clipper Silver) Active Sports Earbuds Ear-Clip Headphone

Portable Lightweight Earclip Headphones with Pliable Clips (CLIPPERSIL)

Go to item page Right Arrow Icon of Right Arrow

Portable Lightweight Earclip Headphones with Pliable Clips (CLIPPERSIL)

• Ear Clip Headphones
• Portable and Lightweight
• Pliable and Secure Ear Clips
• Includes Carrying Case
• Frequency Response: 60-20,000 Hz

• Ear Clip Headphones
• Portable and Lightweight
• Pliable and Secure Ear Clips
• Includes Carrying Case
• Frequency Response: 60-20,000 Hz

Koss Pathfinder (PATHFINDRB) Stereo Ear Buds Black

In-Ear Headphones w/ Memory Ear Cushions (Pathfindrb)

Go to item page Right Arrow Icon of Right Arrow

In-Ear Headphones w/ Memory Ear Cushions (Pathfindrb)

Pathfinder In-ear Headphones • Tubular Port Structure Connects To Dynamic Element For Increased Stability • Memory Ear Cushions Made From Hydrophillic Formed Urethane For Custom Fit • Deep Bass Performance And Treble Clarity • In-ear Design Provides Increased Noise Isolation

Pathfinder In-ear Headphones • Tubular Port Structure Connects To Dynamic Element For Increased Stability • Memory Ear Cushions Made From Hydrophillic Formed Urethane For Custom Fit • Deep Bass Performance And Treble Clarity • In-ear Design Provides Increased Noise Isolation

Koss KE5K Black Ultra-Lightweight Earbuds

Lightweight Headphones/Earbuds

Go to item page Right Arrow Icon of Right Arrow

Lightweight Headphones/Earbuds

Lightweight Headphones/Earbuds • These Ultra-lightweight Earbuds Are Perfect To Take With You On The Go To Listen To Your Music • dynamic Sound Quality Produces Great Music Output

Lightweight Headphones/Earbuds • These Ultra-lightweight Earbuds Are Perfect To Take With You On The Go To Listen To Your Music • dynamic Sound Quality Produces Great Music Output

Koss KSC14

On-Ear Behind-the-Head Headphones w/ Replaceable Foam Cushions

Go to item page Right Arrow Icon of Right Arrow

On-Ear Behind-the-Head Headphones w/ Replaceable Foam Cushions

On-ear Behind-the-head Headphones W/ Replaceable Foam Cushions • Behind-the-head Style Does Not Interfere With Hair Style Or Hats • Large Drivers For Extended Bass Response • Wraps Around The Back Of The Listeners Head To Ensure A Snug Fit • Comes With 4' Cord With Dual Entry And Straight 3.5mm Plug

On-ear Behind-the-head Headphones W/ Replaceable Foam Cushions • Behind-the-head Style Does Not Interfere With Hair Style Or Hats • Large Drivers For Extended Bass Response • Wraps Around The Back Of The Listeners Head To Ensure A Snug Fit • Comes With 4' Cord With Dual Entry And Straight 3.5mm Plug

Koss Pathfinder - White

In-Ear Headphones with Soft Memory Ear Cushions & In-Line Volume Control Remote (Pathfinderw)

Go to item page Right Arrow Icon of Right Arrow

In-Ear Headphones with Soft Memory Ear Cushions & In-Line Volume Control Remote (Pathfinderw)

• Pathfinder In-ear Headphones
• Tubular Port Structure Connects To Dynamic Element For Increased Stability
• Memory Ear Cushions Made From Hydrophillic Formed Urethane For Custom Fit
• Deep Bass Performance And Treble Clarity
• In-ear Design Provides Increased Noise Isolation

• Pathfinder In-ear Headphones
• Tubular Port Structure Connects To Dynamic Element For Increased Stability
• Memory Ear Cushions Made From Hydrophillic Formed Urethane For Custom Fit
• Deep Bass Performance And Treble Clarity
• In-ear Design Provides Increased Noise Isolation

Koss HB70 StreetStyle Wireless (Cordless) Stereo Headphones

Wireless Infared (IR) Headphones w/ 3.5mm Transmitter

Go to item page Right Arrow Icon of Right Arrow

Wireless Infared (IR) Headphones w/ 3.5mm Transmitter

• Wireless Infared (ir) Headphones W/ 3.5mm Transmitter
• Infrared (ir) Technology Allows Signal To Transmit Wirelessly
• Compact Design More Easy Transport And Long Listening Sessions
• Foam Ear Cushions For Maximum Comfort
• Transmitter Connects Via 3.5 Mm Or Audio Output

• Wireless Infared (ir) Headphones W/ 3.5mm Transmitter
• Infrared (ir) Technology Allows Signal To Transmit Wirelessly
• Compact Design More Easy Transport And Long Listening Sessions
• Foam Ear Cushions For Maximum Comfort
• Transmitter Connects Via 3.5 Mm Or Audio Output

HB70 small

Item added to your cart.

Price: $42.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Koss SportaPro

Lightweight Athletic Style Headphones with Adjustable Headband and OFC Voice Coils

Go to item page Right Arrow Icon of Right Arrow

Lightweight Athletic Style Headphones with Adjustable Headband and OFC Voice Coils

• Athletic Style Headphones
• OFC Voice Coils
• Multi-Positional Headband
• Dual-Sided Straight Cable
• Frequency Response: 15-25,000 Hz

• Athletic Style Headphones
• OFC Voice Coils
• Multi-Positional Headband
• Dual-Sided Straight Cable
• Frequency Response: 15-25,000 Hz

Koss CS100 USB

Wired On-Ear Communication Headset w/ Electret Noise-Reducing Microphone

Go to item page Right Arrow Icon of Right Arrow

Wired On-Ear Communication Headset w/ Electret Noise-Reducing Microphone

• Wired On-Ear Communication Headset
• Single USB Plug
• Electret Noise Reducing Microphone
• Sensitivity: 91dB
• Color: Beige

• Wired On-Ear Communication Headset
• Single USB Plug
• Electret Noise Reducing Microphone
• Sensitivity: 91dB
• Color: Beige

Koss BTS1 (Silver)

Portable Wireless Bluetooth Speaker w/ Omni-Directional & Directional Sound Settings

Go to item page Right Arrow Icon of Right Arrow

Portable Wireless Bluetooth Speaker w/ Omni-Directional & Directional Sound Settings

• Compact Portable Bluetooth Speaker
• Directional or Omni-Directional Sound Settings
• On-Board Controls
• Color: Silver

• Compact Portable Bluetooth Speaker
• Directional or Omni-Directional Sound Settings
• On-Board Controls
• Color: Silver

Koss UR22V (181016)

Full Size On-Ear Stereo Headphones

Go to item page Right Arrow Icon of Right Arrow

Full Size On-Ear Stereo Headphones

Full Size On-ear Stereo Headphones • Includes 1/4" Adapter For Stereo Applications • Adjustable Headband For Added Comfort • Use At Home Or On-the-go • Leather Ear Cups Provide Comfort And Noise Isolation

Full Size On-ear Stereo Headphones • Includes 1/4" Adapter For Stereo Applications • Adjustable Headband For Added Comfort • Use At Home Or On-the-go • Leather Ear Cups Provide Comfort And Noise Isolation

Koss SB45

Communication Multi-Media Stereophones

Go to item page Right Arrow Icon of Right Arrow

Communication Multi-Media Stereophones

• Over-Ear, Over-The-Head Design

• Clear Voice Technology Noise-Cancelling Microphone
• Extra-Large Leatherette Ear Cushions
• Adjustable Headband For Comfortable Listening Sessions

• Over-Ear, Over-The-Head Design

• Clear Voice Technology Noise-Cancelling Microphone
• Extra-Large Leatherette Ear Cushions
• Adjustable Headband For Comfortable Listening Sessions

Koss QZ5 (141036) Passive Noise Reduction Headphones

Neodymium Dynamic Drivers with Volume Adjustments and Excellent Passive Noise Isolation

Go to item page Right Arrow Icon of Right Arrow

Neodymium Dynamic Drivers with Volume Adjustments and Excellent Passive Noise Isolation

Enclosed Ear Headphones • Pneumalite Passive Noise Cancellation • Volume Control on Earcup • Neodymium Magnets • Frequency Response: 40-20,000 Hz

Enclosed Ear Headphones • Pneumalite Passive Noise Cancellation • Volume Control on Earcup • Neodymium Magnets • Frequency Response: 40-20,000 Hz

QZ5 small

Item added to your cart.

Price: $59.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Items per page: 20 40 60

    clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    ADVERTISEMENT
    Save up to 10 different vehicles in your garage

    Loading...
    Identify your vehicle and submodel details
    • Owner’s manual
    • Vehicle’s insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon