6 Best Alternatives to the Sennheiser HD 660S 2 Open-Back (2026)
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You are looking for sennheiser HD 660s 2 open back alternatives because your needs differ from the original model. The Sennheiser HD 660S 2 features a 42 mm driver and weighs 10.6 ounces. It delivers precise highs and deep sub-bass for critical listening. This open-back design creates a spacious soundstage. However, you might prefer a lighter option or a different size. Some users need portable reference gear with included accessories. Others seek studio bundles with specialized earpads for mixing tasks. The alternatives were chosen because their specs overlap with the original. They share the open-back acoustic design and wired connectivity. This list covers 6 options that match those core technical requirements. You can compare driver sizes, weights, and included accessories to find the right fit. Each alternative serves a specific use case. Some focus on studio monitoring accuracy. Others prioritize comfort during long sessions. You can review the detailed specifications below to make an informed choice. The goal is to help you find headphones that meet your technical standards without sacrificing sound quality. This guide focuses strictly on published specifications to ensure transparency. You will see how each model compares to the Sennheiser HD 660S 2 in practical terms. The selection includes various brands and configurations. All options maintain the open-back characteristic that defines this category. You can explore these choices to find the best solution for your setup.
Our top pick: Sennheiser HD 660S 2 Open-Back Headphones.
How alternatives compare to HD 660S 2
Sennheiser HD 490 PRO Plus Open-Back Headphones
The Sennheiser HD 490 PRO Plus weighs just 7.05 ounces, significantly lighter than the 10.6-ounce HD 660S 2. This makes it easier to wear for long studio sessions. It shares the open-back design but targets portable reference work. You gain comfort and reduced fatigue. You lose the larger 42 mm driver and the deep sub-bass extension of the HD 660S 2. The 490 PRO Plus is smaller and more compact. It suits engineers who need accurate monitoring on the go. It is less ideal for immersive music listening at home. Choose this if portability and weight matter more than maximum driver size.
Sennheiser HD 490 PRO Plus Studio Bundle
The HD 490 PRO Plus Studio Bundle includes specialized earpads and cables for studio mixing. It offers cable flexibility that the standard HD 660S 2 does not explicitly list. This bundle is built for accurate monitoring tasks. You get a setup tailored for professional environments. You give up the spacious soundstage and refined tuning of the HD 660S 2. The 490 series focuses on utility rather than audiophile-grade immersion. It is better for engineers who need specific accessories. It is worse for casual listeners who want rich bass and natural imaging. Pick this bundle if you need a complete studio toolkit with reference accuracy.
Sennheiser HD 490 PRO Open-Back Headphones with Stand
The HD 490 PRO with Stand is positioned as a budget option for studio monitoring. It includes a stand for desk organization. The HD 660S 2 lacks an included stand. You gain a dedicated storage solution. You lose the premium build quality and refined acoustic design of the HD 660S 2. The 490 PRO uses a smaller driver and simpler construction. It prioritizes frequency accuracy over musicality. It suits users who need reliable monitoring without extra costs. It is less suitable for critical listening or gaming. Choose this if you want a practical, affordable studio setup with a stand included.
Sennheiser HD 490 PRO Studio Bundle
The HD 490 PRO Studio Bundle provides a specialized setup for mixing and reference monitoring. It includes accessories not found with the HD 660S 2. You get task-specific comfort and cable options. You sacrifice the immersive soundstage and deep bass of the HD 660S 2. The 490 PRO is designed for professional environments rather than home listening. It offers accurate sound reproduction but lacks the nuanced tuning of the 660S 2. It is better for engineers who need a complete package. It is worse for music lovers who value spacious imaging. Pick this if you need a studio-focused bundle with reference-grade specs.
Kellards Open-Back Studio Headphones Bundle
The Kellards Open-Back Studio Headphones Bundle includes software for content creation. It is designed for producers who need practical tools. The HD 660S 2 focuses on pure audio fidelity without software bundles. You gain creative software and a studio-oriented package. You lose the high-fidelity sound and spacious imaging of the HD 660S 2. The Kellards model is a practical tool for mixing rather than casual listening. It is less ideal for immersive music experiences. It suits producers who need software integration. It is worse for audiophiles who prioritize acoustic precision. Choose this if you need a bundle with software for content creation.
Sennheiser HD 490 PRO Plus Bundle
The HD 490 PRO Plus Bundle offers a complete studio package with reference-grade specs. It includes durable construction and professional accessories. The HD 660S 2 is a standalone headphone without a bundle. You gain a comprehensive setup for studio work. You lose the refined tuning and larger driver of the HD 660S 2. The 490 PRO Plus is built for professional monitoring tasks. It is less suitable for immersive music listening. It suits engineers who need a complete bundle. It is worse for listeners who value natural imaging and deep bass. Pick this if you need a durable, professional studio bundle with reference accuracy.
Quick picks
Our 7 picks
Sennheiser HD 660S 2 Open-Back Headphones
Best for: critical listening and studio monitoring
- Form Factor
- Over-ear, open-back
- Connectivity
- Wired
- Driver Size
- 42 mm
- Color
- Black
- Dimensions
- 3 × 7 × 7 inches
- Weight
- 10.6 ounces
View on Amazon: Sennheiser HD 660S 2 Open-Back Headphones Affiliate link
The Sennheiser HD 660S 2 is an open-back, over-ear wired headphone designed for audiophiles and professionals. It features 42 mm transducers with ultra-light aluminum voice coils to deliver precise highs and deep sub-bass down to 27.5 Hz. The build weighs 10.6 ounces and includes plush ear cushions for long listening sessions. You get a spacious soundstage suitable for music production or gaming.
Pros
- 42 mm drivers with aluminum voice coils for detailed audio
- Low-frequency response extends to 27.5 Hz for deep bass
- Open-back design provides a natural, spacious soundstage
- Plush ear cushions support fatigueless listening during long sessions
Cons
- Wired connectivity limits wireless convenience
- Open-back design does not isolate noise from the environment
- No included microphone for voice communication
Good fit if
- You want accurate, high-fidelity sound for music production or critical listening
- You prefer open-back acoustics for a natural spatial experience
- You need a wired connection for stable, low-latency audio
Skip if
- You require wireless Bluetooth connectivity for mobile use
- You need active noise cancellation to block out surroundings
- You need a built-in microphone for gaming or calls
Verdict: The Sennheiser HD 660S 2 Open-Back suits listeners who prioritize acoustic precision and spacious imaging over wireless convenience. It is ideal for stationary use in quiet environments where sound quality matters most.
Sennheiser HD 490 PRO Plus Open-Back Headphones
Best for: Studio professionals needing portable reference gear
- Form Factor
- Openback
- Acoustic Design
- Open-Back
- Color
- Black
- Dimensions
- 8.82 × 3.92 × 10.6 inches
- Weight
- 7.05 ounces
View on Amazon: Sennheiser HD 490 PRO Plus Open-Back Headphones Affiliate link
The Sennheiser HD 490 PRO Plus is an open-back professional reference headphone designed for studio monitoring. It weighs 7.05 ounces and features an adjustable headband for a secure fit. The package includes extra earpads and a carry case for portability. You will appreciate the open-back acoustic design for a natural soundstage. This model suits professionals who need reliable reference gear and included accessories for travel.
Pros
- Open-back acoustic design for natural imaging
- Lightweight build at 7.05 ounces
- Includes extra earpads and carry case
- Adjustable headband for custom fit
Cons
- Open-back design lacks noise isolation
- No included carrying case in base HD 490 PRO model
- Limited color options available
Good fit if
- You need professional reference monitoring in a studio
- You want included accessories for travel
- You prefer lightweight open-back headphones
Skip if
- You require active noise cancellation
- You need a closed-back design for isolation
- You want wireless connectivity
Verdict: Sennheiser HD 490 PRO Plus Open-Back delivers professional reference sound with included travel accessories. It fits studio engineers who prioritize lightweight comfort and accurate monitoring over isolation.
Sennheiser HD 490 PRO Plus Studio Bundle
Best for: Studio mixing and accurate monitoring
- Form Factor
- Open-Back Headphones
- Connectivity
- Detachable 5.9' and 9.8' cables
- Recommended Use
- Studio
- Color
- Black
View on Amazon: Sennheiser HD 490 PRO Plus Studio Bundle Affiliate link
The Sennheiser HD 490 PRO Plus is an open-back studio headphone designed for mixing and content creation. It features a natural soundstage and accurate sound reproduction. You get detachable 5.9-foot and 9.8-foot cables for flexible connectivity. The bundle includes dedicated mixing and producing earpads, plus a travel case. This setup suits professionals who need precise audio monitoring and long-term comfort in a studio environment.
Pros
- Open-back design for a natural soundstage
- Includes both 5.9' and 9.8' detachable cables
- Comes with dedicated mixing and producing earpads
- Includes a travel case for portability
Cons
- Open-back design offers no noise isolation
- Requires external amplification or audio interface
- Wired connection limits wireless convenience
Good fit if
- You need accurate monitoring for mixing
- You value a wide natural soundstage
- You want included specialized earpads
Skip if
- You need noise isolation for noisy rooms
- You prefer wireless Bluetooth connectivity
- You want built-in active noise cancellation
Verdict: The Sennheiser HD 490 PRO Plus Open-Back is a practical studio tool for engineers who need accurate monitoring and a wide soundstage. It fits professionals who prioritize cable flexibility and specialized earpads over portable convenience.
Sennheiser HD 490 PRO Open-Back Headphones with Stand
Best for: Studio monitoring and mixing tasks
- Noise Cancellation
- Passive sound isolation
- Form Factor
- Open-back, over-ear
- Connectivity
- 3.5 mm, 6.3 mm adapter
- Driver Size
- 38 mm
- Recommended Use
- Studio
- Color
- Black
View on Amazon: Sennheiser HD 490 PRO Open-Back Headphones with Stand Affiliate link
The Sennheiser HD 490 PRO offers open-back over-ear design with 38 mm drivers and a 5 Hz to 36 kHz frequency response. It includes mixing and producing ear pads to reduce fatigue. The lightweight 260 g build suits long sessions. This bundle adds a desktop stand and detachable 1.8 m cable. It fits studio monitoring needs.
Pros
- 38 mm dynamic drivers with 5 Hz to 36 kHz range
- Includes mixing and producing ear pads
- Lightweight 260 g build for extended wear
- Detachable 1.8 m cable with gold-plated connectors
Cons
- No active noise cancellation
- Requires 3.5 mm or 6.3 mm connection
- Open-back design lacks passive isolation
Good fit if
- You need reference monitoring for studio work
- You want interchangeable ear pads for fatigue reduction
- You prefer open-back soundstage accuracy
Skip if
- You require wireless connectivity
- You need active noise cancellation
- You want closed-back isolation
Verdict: Sennheiser HD 490 PRO Open-Back Studio Headphones delivers precise audio for studio professionals. It suits users who prioritize frequency accuracy and comfort over wireless convenience.
Sennheiser HD 490 PRO Studio Bundle
Best for: Studio mixing and reference monitoring
- Form Factor
- Open-Back Headphones
- Connectivity
- Detachable 5.9' cable
- Recommended Use
- Studio
- Color
- Black
View on Amazon: Sennheiser HD 490 PRO Studio Bundle Affiliate link
The Sennheiser HD 490 PRO is an open-back studio headphone designed for mixing and content creation. It features a detachable 5.9-foot cable and includes dedicated earpads for both mixing and producing tasks. This bundle adds a stand, case, and cleaning cloth. You get accurate sound reproduction in a natural soundstage. It suits professionals who need reference-quality audio for long sessions.
Pros
- Open-back design for natural soundstage
- Includes dedicated mixing and producing earpads
- Detachable 5.9-foot cable for flexibility
- Bundle includes stand, case, and cloth
Cons
- Open-back design lacks noise isolation
- Wired connection only with no Bluetooth
- No included carrying case for travel
Good fit if
- You need accurate reference sound for mixing
- You want dedicated earpads for different tasks
- You prefer open-back acoustics for studio work
Skip if
- You require wireless Bluetooth connectivity
- You need noise isolation for noisy environments
- You want a single set of earpads for all uses
Verdict: Sennheiser HD 490 PRO Open-Back Studio headphones provide a specialized setup for studio engineers who value accurate sound reproduction and task-specific comfort over portability or wireless convenience.
Kellards Open-Back Studio Headphones Bundle
Best for: studio mixing and content creation
- Form Factor
- Open-back
- Connectivity
- Detachable 5.9' cable
- Recommended Use
- Studio
- Color
- Black
View on Amazon: Kellards Open-Back Studio Headphones Bundle Affiliate link
These Kellards headphones use an open-back acoustic design for natural soundstage imaging. They are built for studio mixing, producing, and content creation. The bundle includes the dearVR MIX-SE mixing plug-in. A detachable 5.9-foot cable allows for easy replacement. They feature ear pads designed for long listening sessions. The black finish keeps the look professional.
Pros
- Open-back design for natural soundstage
- Includes dearVR MIX-SE mixing plug-in
- Detachable 5.9-foot cable
- Recommended for studio mixing and producing
Cons
- No Bluetooth wireless connectivity listed
- No built-in microphone mentioned
- Limited color options available
Good fit if
- You need open-back headphones for studio mixing
- You want a detachable cable for durability
- You value included mixing software
Skip if
- You require wireless Bluetooth connectivity
- You need a built-in microphone for calls
- You prefer closed-back isolation
Verdict: Kellards Open-Back Studio Headphones suit producers who need an open design and included software. They are a practical tool for mixing rather than casual listening.
Sennheiser HD 490 PRO Plus Bundle
Best for: Studio mixing and mastering with reference accuracy
- Form Factor
- Over-ear, open-back
- Connectivity
- 3.5 mm, 6.3mm
- Driver Size
- 38mm
- Recommended Use
- Studio
- Color
- Black
- Weight
- 2.8 pounds
View on Amazon: Sennheiser HD 490 PRO Plus Bundle Affiliate link
You get a bundle with the Sennheiser HD 490 PRO Plus headphones, a desktop stand, and two cables. The 38mm drivers cover 5 Hz to 36 kHz with 130 Ohms impedance. The open-back design offers a neutral soundstage for mixing. You receive interchangeable ear pads to reduce fatigue. This setup suits studio professionals needing reference accuracy and durability.
Pros
- Broad 5 Hz to 36 kHz frequency response
- 130 Ohms impedance for neutral monitoring
- Includes two detachable cables (5.9' and 9.8')
Cons
- High 130 Ohms impedance requires a dedicated amplifier
- Open-back design lacks noise isolation
- Heavy 2.8 pounds build
Good fit if
- You need reference accuracy for critical mixing
- You want a complete bundle with a stand
- You prefer interchangeable ear pads for comfort
Skip if
- You need passive noise cancellation
- You lack a headphone amplifier
- You prefer lightweight portable gear
Verdict: Sennheiser HD 490 PRO Plus Open-Back Studio Headphones deliver precise monitoring for professionals who need a complete studio bundle with reference-grade specs and durable construction.
Specifications side by side
| Spec | Sennheiser HD 660S 2 Open-Back Headphones | Sennheiser HD 490 PRO Plus Open-Back Headphones | Sennheiser HD 490 PRO Plus Studio Bundle | Sennheiser HD 490 PRO Open-Back Headphones with Stand | Sennheiser HD 490 PRO Studio Bundle | Kellards Open-Back Studio Headphones Bundle | Sennheiser HD 490 PRO Plus Bundle |
|---|---|---|---|---|---|---|---|
| Noise Cancellation | not stated | not stated | not stated | Passive sound isolation | not stated | not stated | not stated |
| Form Factor | Over-ear, open-back | Openback | Open-Back Headphones | Open-back, over-ear | Open-Back Headphones | Open-back | Over-ear, open-back |
| Connectivity | Wired | not stated | Detachable 5.9' and 9.8' cables | 3.5 mm, 6.3 mm adapter | Detachable 5.9' cable | Detachable 5.9' cable | 3.5 mm, 6.3mm |
| Driver Size | 42 mm | not stated | not stated | 38 mm | not stated | not stated | 38mm |
| Recommended Use | not stated | not stated | Studio | Studio | Studio | Studio | Studio |
| Acoustic Design | Open-Back | Open-Back | Open-Back | Open-Back | Open-Back | Open-Back | Open-Back |
| Color | Black | Black | Black | Black | Black | Black | Black |
| Dimensions | 3 × 7 × 7 inches | 8.82 × 3.92 × 10.6 inches | not stated | not stated | not stated | not stated | not stated |
| Weight | 10.6 ounces | 7.05 ounces | not stated | 1.8 pounds | not stated | not stated | 2.8 pounds |
| Size | Medium | Adjustable | not stated | 3.10 | not stated | One Size | 3.90 |
| Model | 700240 | 700287 | HD 490 PRO PLUS | HD 490 PRO | HD 490 PRO | HD 490 PRO | HD 490 PRO |
If you also outfit your workspace, you can examine hon ignition 2 0 mid back alternatives to compare chair specifications.
Frequently asked questions
Which open-back headphones offer the best accuracy for studio mixing?
The Sennheiser HD 490 PRO Plus Studio Bundle serves as a practical studio tool for engineers who need accurate monitoring and a wide soundstage. It fits professionals who prioritize cable flexibility and specialized earpads over portable convenience. This model is designed for precise audio reproduction in stationary environments.
Are there lighter open-back options for long listening sessions?
Yes, the Sennheiser HD 490 PRO Plus Open-Back headphones weigh only 7.05 ounces. This is significantly lighter than the 10.6-ounce HD 660S 2. The adjustable size ensures a secure fit for various head shapes. This lightweight design makes it easier to wear for extended studio sessions without fatigue.
What is the best budget-friendly alternative for studio monitoring?
The Sennheiser HD 490 PRO Open-Back Headphones with Stand is the best budget option. It delivers precise audio for studio professionals who prioritize frequency accuracy and comfort. The bundle includes a stand, making it a complete solution for desktop setups. It suits users who need reliable monitoring without extra costs.
Do these alternatives include software for content creation?
The Kellards Open-Back Studio Headphones Bundle includes included software for producers. They are a practical tool for mixing rather than casual listening. The open design allows for a natural soundstage. This bundle suits creators who need an all-in-one solution for recording and editing tasks in their studio.
Which model is best for critical listening and studio monitoring?
The Sennheiser HD 660S 2 Open-Back Headphones remain the top choice for critical listening. They suit listeners who prioritize acoustic precision and spacious imaging. The medium size and black color provide a professional look. This model is ideal for stationary use in quiet environments where sound quality matters most.
Are there bundles that include stands for desktop use?
Yes, the Sennheiser HD 490 PRO Open-Back Headphones with Stand includes a dedicated stand. This makes it convenient for desktop studio setups. The headphones deliver precise audio for mixing tasks. This bundle is suitable for professionals who want a complete package without needing to purchase accessories separately.
Which headphones are best for portable reference work?
The Sennheiser HD 490 PRO Plus Open-Back headphones deliver professional reference sound with included travel accessories. They fit studio engineers who prioritize lightweight comfort. The adjustable size ensures a good fit. This model is designed for portable reference work while maintaining the open-back acoustic design for accurate monitoring.