If you want closed-back listening with stronger isolation for library study, choose SoundMAGIC HP151; if you need an open-back design with a wooden shell and a more spacious presentation, choose okcsc M1. For most people choosing headphones for library use, I’d favor the HP151 because its closed-back design is the more sensible fit for keeping outside sound at bay.
That choice comes with a trade-off: neither model is wireless, and the M1’s open-back design lets more sound pass between your headphones and the room. If your priority is a roomy, open character rather than isolation, the M1 may suit you better.
• SoundMAGIC HP151: Closed-back, over-ear design, 53 mm dynamic drivers, and a detachable cable; its wired connection and synthetic-leather earcups may not suit everyone.
• okcsc M1: Open-back, on-ear design with 40 mm dynamic drivers and a Sapele wood shell; its open construction offers less isolation in shared spaces.
• For library listening: The HP151’s closed-back design is the more appropriate starting point when you want to limit ambient distractions.
• For a spacious home setup: The M1’s open-back construction and wooden shell may appeal if roominess and distinctive materials matter more than isolation.
• Choose the HP151 for an over-ear fit, a microphone cable included for communication, and easier drive from portable devices.
• Choose the M1 for on-ear headphones with a detachable cable, a 6.35 mm adapter, and an open-back design.
The HP151 is a wired, over-ear headphone built around 53 mm dynamic drivers. Its closed-back design is the key distinction in this comparison: it is intended to provide more isolation than an open-back headphone, which makes it the more practical candidate for studying in a library or listening in other shared settings. Isolation is not the same as noise cancellation, however; the listed feature is passive sound isolation, not active noise cancellation.
Its sound is described around tight bass, detailed mids, and clear highs, with an open sense of space for a closed-back model. The 32-ohm impedance and 95 dB sensitivity also make it a straightforward match for smartphones and portable devices, according to the product information. A detachable cable adds flexibility, and an included microphone cable supports calls, online courses, and gaming. That combination makes it a reasonable pick for someone who wants one wired headphone for music and occasional communication.
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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
I’d consider the HP151 if you want full over-ear coverage and value isolation more than an open presentation. Its adjustable headband and soft synthetic-leather earcups are designed with longer listening in mind. Skip it if wireless listening is essential, or if you specifically want an open-back headphone that lets the room’s sound pass through more freely.
The okcsc M1 is a wired, on-ear, open-back headphone with 40 mm dynamic drivers and a Sapele wood shell. The design leans into an airy, spacious character rather than the more contained listening experience associated with a closed-back model. Its wooden housing also gives it a distinctive material choice, though individual pieces can have different wood-grain patterns and colors.
The M1 includes a detachable cable, a 3.5 mm connection, and a 6.35 mm conversion adapter for compatible equipment. Its 64-ohm impedance is higher than the HP151’s, so the listed specifications do not point to quite the same easy-drive advantage with portable devices. Thick sponge ear pads and a PU-leather headband are intended to make the on-ear fit comfortable, but the headphone still rests on the ears rather than surrounding them.
This one makes more sense for someone listening in a quiet room who prefers an open design and likes the look of a wooden shell. I would skip it for library use if minimizing sound leakage or outside distraction is a priority. It is also not the pick for someone who wants wireless headphones for library use: both models in this comparison are wired.
• Best fit for library study → SoundMAGIC HP151. Its closed-back design provides increased isolation compared with the M1’s open-back construction.
• Best for an open, spacious design → okcsc M1. Its open-back layout and Sapele wood shell are central to its appeal.
• Best for over-ear coverage → SoundMAGIC HP151. Its large earcups sit around the ears, while the M1 is an on-ear model.
• Best for easier use with a phone or portable player → SoundMAGIC HP151. Its 32-ohm impedance and high sensitivity are specifically described as suitable for portable devices.
• Best for a 6.35 mm connection option → okcsc M1. It includes a conversion adapter alongside its 3.5 mm cable connection.
• Best for calls, online courses, or gaming communication → SoundMAGIC HP151. Its listed package includes a microphone cable for those uses.
• Best if you want a wooden housing → okcsc M1. Its Sapele wood shell has individual variations in grain and color.
• Best gaming headset for library study → SoundMAGIC HP151, with a caveat. The included microphone cable supports gaming communication, and its closed-back construction is better suited to a shared study space. Neither model is a wireless gaming headset, and the product details do not establish features such as a dedicated gaming surround mode.
The biggest practical divide is not driver size or a single sound description. It is how each headphone interacts with its surroundings. The HP151’s closed backs are the more convincing match for a library where outside distractions matter. The M1’s open backs may be more enjoyable when you can listen in a quieter space without needing to keep sound contained.
Comfort also depends on fit preference. The HP151’s over-ear design and large earcups avoid placing the pads directly on the ears. The M1 uses thick sponge pads, but its on-ear layout may be a better fit for someone who prefers that style. The product details don’t provide enough information to promise that either will suit every head or remain comfortable through a particular number of hours.
There is a useful difference in connection flexibility, too. Both are wired and use a 3.5 mm connection, while the M1 additionally includes a 6.35 mm adapter. The HP151, by contrast, has the lower listed impedance and is explicitly described as easy to drive from smartphones and portable devices. If your routine involves moving between a phone and other playback gear, consider which of those details matters more than the other.
I’d choose the SoundMAGIC HP151 for library listening. Its closed-back, over-ear design is a better match for headphones for library use, and its included microphone cable adds practical flexibility for calls or gaming. The okcsc M1 has a distinct open-back, wood-shell appeal, but I’d save it for a quieter room where isolation is less important.
The HP151 is the more suitable option for a shared study area because it has a closed-back design intended to provide increased sound isolation. The M1 is open-back and is better suited to quieter surroundings where isolation is not the main goal.
No. Both are wired headphones with a 3.5 mm connection. If wireless use is a requirement, neither model fits that need based on the listed specifications.
Which is better for gaming in a shared space?
The HP151 is the clearer fit if you want a wired headphone with an included microphone cable and a closed-back design. The M1’s open-back construction offers less isolation, and its listed details do not specify an included microphone cable.
It gives the M1 an additional connection option for compatible equipment, while the HP151 is listed with a 3.5 mm jack. The HP151 has a different advantage: its 32-ohm impedance is described as suitable for smartphones and portable devices.
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