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Superlux 150-Ohm Closed-Back Studio Headphones Review: Specs, Pros and Cons

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This superlux hd660pro 150o closed back studio review covers the Superlux HD660PRO. These are over-ear headphones designed for professional studio environments. The listing highlights two defining specs: a 150-ohm impedance and a closed-back acoustic design. The 150-ohm impedance suggests they require more power than low-impedance models, making them suitable for dedicated studio gear. The closed-back construction aims to isolate sound. You get a black finish and a weight of 1.3 pounds. Connectivity includes a 3.5 mm plug and a 6.3 mm adapter. The cable is 8.2 feet long. These details shape the user experience for mixing and recording tasks.

What stands out

  • 150-ohm impedance for high-end audio gear
  • Closed-back acoustic design for isolation
  • Over-ear form factor with velvet ear pads
  • Includes 3.5 mm and 6.3 mm connectors
  • 8.2 ft straight cable for studio flexibility

Who it fits

Good fit for

You should consider these headphones if you work in a professional studio setting. The 150-ohm impedance pairs well with high-end audio interfaces and mixers that can drive higher resistance loads. The closed-back design helps contain sound, which is useful when recording or monitoring in noisy environments. The included 6.3 mm adapter ensures compatibility with many studio consoles. If you need durable, wired headphones for long mixing sessions, this model fits your workflow.

Who should skip it

You should look at another option if you use portable devices or low-power sources. The 150-ohm impedance may not produce sufficient volume with phones or laptops without an external amplifier. The closed-back design also means you cannot hear ambient sound, which is unsafe for commuting or walking. If you prefer lightweight, open-back headphones for critical listening in a quiet room, these are not the right choice. The wired connection also limits mobility.

Verdict: The Superlux HD660PRO is a wired, closed-back studio headphone built for users with capable audio gear. Its 150-ohm impedance and isolation features serve professional recording and mixing tasks well.

Key specs explained for you

Impedance: 150 OHM

This value indicates the electrical resistance of the headphones. A 150-ohm rating means the Superlux HD660PRO requires more power to drive than common 32-ohm models. You will likely need a dedicated headphone amplifier or a professional audio interface to reach full volume and clarity. These units are best suited for studio setups with robust gear, rather than direct connection to smartphones or laptops.

Acoustic Design: Closed-Back

The ear cups are sealed to prevent sound leakage and block external noise. This design helps keep your studio mix contained and reduces bleed into nearby microphones. It is ideal for recording environments where isolation is critical. You get a focused listening experience, though it may feel slightly more pressurized on your ears compared to open-back designs that allow air circulation.

Form Factor: Over-ear

These headphones feature large ear cups that fully enclose your ears. This over-ear fit provides passive noise isolation and distributes pressure evenly across the head. You benefit from reduced ear fatigue during long mixing or editing sessions. The design also typically allows for better bass response due to the larger driver chamber. It is a standard choice for professional studio monitoring tasks.

Connectivity: 3.5 mm, 6.3 mm

The package includes both a standard 3.5mm plug and a 6.3mm adapter. This dual compatibility ensures you can connect to a wide range of audio equipment. You can plug directly into interfaces with large jacks or use the adapter for smaller inputs on mixers and portable devices. This flexibility removes the need for separate cables or converters in most professional studio scenarios.

Design and Build Overview

According to the listing, the Superlux HD660PRO features an over-ear form factor with a closed-back acoustic design. This layout is intended to isolate sound and prevent leakage, which suits professional studio environments. The ear cups swivel, and the headband adjusts to fit your head shape. This flexibility helps you secure a stable fit during long mixing sessions.

The listing notes that the headband is upgraded with leather, and the ear pads are made of ultra-soft velvet. These materials aim to reduce pressure on your ears and head. You can wear these for extended periods without significant fatigue. The finish is black, providing a neutral look for any studio setup. The build uses rugged materials to withstand daily wear in professional and casual settings.

Weight is listed at 1.3 pounds. This mass contributes to the secure fit but may feel noticeable during marathon sessions. The cable is 8.2 feet long and straight, ending in a 3.5 mm plug. A 6.3 mm adapter is included for connecting to larger audio gear. This connectivity ensures you can use them with mixers, guitars, or mobile devices. The design prioritizes durability and practical connectivity for studio work.

Setup And Daily Use Guide

Setup is straightforward thanks to the included connectivity options. The listing specifies a 3.5 mm plug and a 6.3 mm adapter. You can connect the Superlux HD660PRO directly to mobile devices using the smaller jack. For professional audio gear like mixers or studio interfaces, you use the larger 6.3 mm adapter. This dual-option design ensures compatibility across various setups without needing extra cables.

The cable is an 8.2 ft straight wire. This length provides enough reach for typical studio desks or mixing consoles. The rigid straight design reduces tangling compared to coiled variants, which may help during quick transitions between tracks. You do not need to manage excess slack in tight spaces.

Daily use focuses on comfort and durability. The over-ear fit uses upgraded leather on the headband and ultra-soft velvet ear pads. These materials aim to reduce fatigue during long sessions. The headband adjusts to fit your head shape, while the ear cups swivel. This flexibility allows you to customize the seal for better sound isolation, which is critical for the closed-back design.

At 1.3 pounds, the weight is distributed across the headband. The rugged materials suggest they withstand daily wear. You can use them for recording, mixing, or podcasting. The 150-ohm impedance means you should pair them with equipment that provides sufficient power for clear sound. The 3.5 mm and 6.3 mm connections keep your workflow simple and reliable.

Before You Buy These Headphones

Owning the Superlux HD660PRO means pairing them with the right gear. Their 150-ohm impedance requires a dedicated amplifier or professional audio interface. You cannot drive them effectively with standard mobile devices or laptop outputs. Check your existing equipment for sufficient power. The included 6.3 mm adapter helps connect to studio mixers. You must also consider cable management. The 8.2 ft straight cable is durable but long. Keep it coiled when not in use to prevent tangling. Clean the velvet ear pads regularly to maintain hygiene and comfort. These headphones sit alongside other studio options in our 1 Headphones & Earbuds guide. They suit those prioritizing isolation and fidelity over portability. If you need wireless freedom or lightweight travel gear, look elsewhere. This model demands a stationary setup. Ensure your workspace has the necessary power and space. The closed-back design keeps sound in, which is ideal for recording. Verify your listening environment matches these requirements before purchasing.

Check before you buy

  • Verify your amplifier can drive 150-ohm loads.
  • Confirm you have a 6.3 mm input on your mixer.
  • Ensure you have a dedicated studio workspace.
  • Check if you need wireless connectivity instead.

The product at a glance

Superlux 150-Ohm Closed-Back Studio Headphones

Best for: professional studio recording and mixing

Noise Cancellation
Closed-back isolation
Form Factor
Over-ear
Connectivity
3.5 mm, 6.3 mm adapter
Driver Size
40 mm
Recommended Use
Studio
Color
Black

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The Superlux HD660PRO is a closed-back, over-ear studio headphone designed for professional recording and mixing. It features a 150-ohm impedance, which pairs well with high-end audio gear to deliver clarity. The build includes a leather headband and velvet ear pads for comfort during long sessions. It connects via a 3.5 mm plug with a 6.3 mm adapter included. Weighing 1.3 pounds, it offers a secure fit for studio work.

Pros

  • 150-ohm impedance for high-end audio gear
  • Closed-back acoustic design for isolation
  • Includes 6.3 mm adapter for versatile connectivity
  • Velvet ear pads and leather headband for comfort

Cons

  • 150-ohm impedance requires a powerful amplifier
  • Wired connection limits wireless mobility
  • Heavier at 1.3 pounds than lighter consumer models

Good fit if

  • You need closed-back isolation for studio recording
  • You have a professional audio interface with high output
  • You prioritize sound fidelity over portability

Skip if

  • You want wireless Bluetooth connectivity
  • You plan to use them with low-power mobile devices
  • You prefer lightweight, portable headphones for travel

Verdict: Superlux HD660PRO 150 Ohm Studio Headphones suit engineers who need isolated, high-impedance monitoring for professional mixing tasks.

Specifications side by side

Spec Superlux 150-Ohm Closed-Back Studio Headphones
Noise Cancellation Closed-back isolation
Form Factor Over-ear
Connectivity 3.5 mm, 6.3 mm adapter
Driver Size 40 mm
Recommended Use Studio
Acoustic Design Closed-Back
Color Black
Weight 1.3 pounds
Size 150 OHM
Model HD660PRO

Frequently asked questions

Are the Superlux HD660PRO good for mixing?

Yes, they are designed for professional studio recording and mixing. The closed-back acoustic design helps isolate sound, which prevents leakage during tracking sessions. This makes them suitable for engineers who need reliable monitoring in a controlled environment.

Do I need an amplifier for these headphones?

Yes, you likely need a dedicated headphone amplifier or professional audio interface. The 150-ohm impedance is higher than standard consumer models. This means they require more electrical power to drive effectively compared to lower impedance alternatives.

What type of connector do they use?

They come with a 3.5 mm plug and include a 6.3 mm adapter. You can use the smaller jack for mobile devices or standard inputs. The larger adapter allows direct connection to professional studio gear like mixers and interfaces.

Are these headphones open or closed back?

These are closed-back headphones. This design is intended to isolate sound and prevent audio leakage. It is particularly useful in professional studio environments where you need to monitor audio without disturbing others or picking up background noise.

How heavy are the Superlux HD660PRO?

The headphones weigh 1.3 pounds. This is a standard weight for over-ear studio monitoring headphones. The build includes an adjustable headband and swiveling ear cups to ensure a comfortable fit during long mixing or recording sessions.

Can I use them for casual listening?

They are primarily designed for professional studio use. The high 150-ohm impedance makes them difficult to drive with standard laptops or phones. You will likely need external amplification to get proper volume and sound quality for everyday music listening.

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