We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-06 · 7 min read · Independent comparison
If you want a reference-class wired in-ear monitor with a clean, neutral-leaning tuning and a rock-solid 2-pin cable system, choose NFACOUS NM20; if you need a warmer, bass-forward IEM with a hand-finished resin shell and stronger passive isolation, choose TipsyAuthen M1. Both are wired in-ear monitors aimed at people who care about accurate sound, and both make sense as a first serious pair for college students who want their music, mixing practice, and game audio to actually sound like it was recorded. The difference comes down to tuning philosophy and build, and that's what this comparison is about.
• NFACOUS NM20 — biggest strength: A genuine reference-monitor tuning built around a single dynamic driver, a dual acoustic chamber, and NF ACOUS's Clutter Trap air-pressure technology, with 25 dB of passive isolation and a 20 Hz–40 kHz frequency range.
• NFACOUS NM20 — biggest trade-off: It's a wired, 3.5 mm-only in-ear with no touch controls and no wireless mode, so it expects you to plug into a phone with an adapter, a laptop, or a dedicated player.
• TipsyAuthen M1 — biggest strength: A 10 mm bamboo-fiber dynamic driver in a dual-chamber airflow design, tuned warm with standout bass and vocals, wrapped in a hand-finished resin shell rated for up to −36 dB of passive isolation.
• TipsyAuthen M1 — biggest trade-off: Its 24 ohm impedance and warm, forgiving tuning favor enjoyment over surgical accuracy, and the resin faceplate is a decorative finish rather than a ruggedized one.
• Who each pick is for: The NM20 is for the listener who wants an honest, reference-style monitor for critical listening and long sessions; the M1 is for the listener who wants a comfortable, isolating, bass-rich IEM for casual listening and entry-level FPS gaming.
The NM20 is the more "studio" of the two on paper, and it earns that. The core of the design is a single dynamic driver with an integrated, electronically tuned PCB — NF ACOUS calls it the MC2L-100P — paired with a beryllium-plated diaphragm. That combination is usually chosen when a brand wants a driver that stays stable and predictable rather than one that colors the sound. The dual acoustic chamber and the Clutter Trap Technology are there to manage air pressure between the front and rear of the driver, which is exactly the kind of engineering that shows up in a reference-class tuning instead of a party tuning. Add the stated low-frequency lift below 100 Hz and you get a monitor that reaches deep without turning into a bass cannon.
Where it stands out for real use is the fit and the isolation. The nozzle is deliberately shaped with a slight curve to follow the second bend of the ear, a relief cut to reduce pressure on the crus helix, and a small protrusion that adds support on the concha. That's not marketing fluff — that's the difference between an IEM you can wear for a two-hour mixing session and one you take out every twenty minutes. With 25 dB of passive sound isolation, a high-strength polycarbonate shell with a frosted finish, CNC-carved aluminum accents, and a 0.78 mm two-pin connector on a 5N oxygen-free copper cable, you get something that feels like a tool rather than a toy. Four pairs of eartips (XS, S, M, L) and a gold-plated 6.35-to-3.5 mm adapter in the box tell you the intended audience: someone plugging into a laptop, interface, or amp.
Buy the NM20 if you want one wired IEM that does critical listening, casual monitoring, and everyday music without flattering the source. Skip it if you want wireless freedom, touch controls, or a sound signature that makes everything sound fuller than it is — the NM20 is honest first and fun second.
The M1 takes the opposite route. Tipsy has been building stage-grade IEMs since 2015, and the M1 is explicitly positioned as the entry point of the M Series — a "start here, grow later" model with the M3 and M5 above it. The driver is a 10 mm bamboo-fiber dynamic unit, a material chosen for a warm, clear midrange and lifelike detail, and the dual-chamber airflow design is there to keep the bass tight and punchy while the highs stay clean and non-fatiguing. In plain terms: this is an IEM tuned to be pleasant for hours, not clinical.
The isolation figure is the headline number here — up to −36 dB of passive noise cancellation, which is meaningfully more than most in-ears at this tier and comes from a shell shape Tipsy says was refined from more than 20,000 ear scans. The resin housing is high-density and hand-finished with a starry-night-inspired faceplate, so every pair has a slightly different shimmer pattern. That's a real consideration for buyers: you're getting a small piece of wearable art, not a uniform molded plastic shell. The 24 ohm impedance makes it easy to drive from a phone or a controller's headphone jack, the cable is detachable with the standard 0.78 mm two-pin connection, and the box includes four pairs of tips plus a 3.5-to-6.35 mm adapter. Controls are listed as touch, and the warranty is 12 months on the earbuds and 3 months on the cable.
Buy the M1 if you want a warm, bass-forward IEM that isolates hard, looks distinctive, and is easy to drive from anything with a headphone jack — including for beginner FPS gaming where footstep cues benefit from a tight low end. Skip it if you need a flat, analytical monitor for mixing decisions, or if you'd rather not deal with a resin faceplate that deserves a little care.
• Best for reference-style monitoring and mixing → NFACOUS NM20. Its dual-chamber, pressure-balanced design and "reference class" tuning claim are aimed squarely at accuracy.
• Best for isolation on a noisy campus or bus → TipsyAuthen M1. Up to −36 dB passive isolation beats the NM20's 25 dB.
• Best for long listening sessions without fatigue → TipsyAuthen M1. The warm, dual-chamber tuning is explicitly built to avoid "multi-driver glare" and harsh highs.
• Best for stability and predictable sound → NFACOUS NM20. A single electronically tuned driver with a beryllium-plated diaphragm is the more controlled platform.
• Best for easy driveability from a phone or controller → TipsyAuthen M1. At 24 ohm it's the lower-impedance, easier-to-drive option versus the NM20's 32 ohm.
• Best for deep sub-bass reach on paper → NFACOUS NM20. Its stated 20 Hz–40 kHz range and deliberate sub-100 Hz lift point to extension the M1 doesn't publish.
• Best for a distinctive, hand-finished look → TipsyAuthen M1. Hand-polished resin with a unique shimmer pattern versus the NM20's frosted polycarbonate and CNC aluminum.
• Best for a rugged-feeling, tool-like build → NFACOUS NM20. High-strength polycarbonate plus metal accents reads as more utilitarian than decorative resin.
• Best for a first serious IEM on a student budget → either, depending on taste. Check the current price on Amazon for both before deciding, since that's the one variable this comparison can't cover.
In my opinion, I'd buy the NFACOUS NM20. The reason is simple: if you're shopping for reference monitor headphones in in-ear form, the NM20 was designed around that goal from the driver up — electronic tuning, dual acoustic chambers, pressure-balancing Clutter Trap technology, and a fit engineered for long mixing sessions. For college students who want one wired IEM that stays honest across music, coursework, and casual monitoring, that's the more defensible long-term pick. The TipsyAuthen M1 is the better choice if your priority is warmth, isolation, and comfort over neutrality. Either way, verify the current price on Amazon before you commit.
FAQ
what is studio monitor headphones
what are reference studio headphones
Reference studio headphones aim for a neutral, uncolored response so that what you hear translates to other systems. The NFACOUS NM20 fits that description most directly here, with its pressure-balanced dual-chamber design and stated reference-class tuning; the M1 is tuned for enjoyment first.
what are studio monitor headphones
Same idea: monitor headphones prioritize accuracy over hype, which is why they're used for mixing, tracking, and critical listening. In this pair, the NM20's electronically tuned single driver and 40 kHz frequency response ceiling make it the more monitor-like option, while the M1's bamboo-fiber driver favors vocals and bass warmth.
can you connect headphones to monitor
Yes — both of these are wired in-ears with 3.5 mm jacks, and each ships with a 3.5-to-6.35 mm adapter, so they plug into the headphone output of a studio monitor, audio interface, laptop, or controller. Neither has a wireless mode, so a 3.5 mm output (or an adapter for one) is required.
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