We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-27 · 7 min read · Independent comparison
If you want wired over-ear headphones built for mixing and critical listening, choose Cerwin Vega Mobile CV Over Ear Headphones; if you need a compact 4-channel mixer to run mics, instruments and playback, choose Zenolix RM04.
• Cerwin Vega Mobile CV Over Ear Headphones — biggest strength: 50 mm neodymium dynamic drivers with a 10Hz–22KHz range, a detachable twist-lock coiled cord and a built-in mic — a genuinely mixing-oriented wired headphone.
• Cerwin Vega Mobile CV Over Ear Headphones — biggest trade-off: It's wired only (3.5 mm jack), it needs roughly a 1-month break-in period to sound its best, and the listed 4-ohm impedance is unusually low, so it's worth checking how your interface or amp handles it.
• Zenolix RM04 — biggest strength: Full input/output control in one box — 2 XLR/6.35 mm combo inputs, 48 V phantom power, 3-band EQ, 99 reverb effects, Bluetooth, USB-C 24-bit/192 kHz interface with loopback.
• Zenolix RM04 — biggest trade-off: It's a mixer, not a listening device — it makes no sound on its own, it's a corded desktop unit, and it weighs 3.08 kg, so it stays on the desk.
• Who each is for: Cerwin Vega → someone who needs to hear a mix accurately; Zenolix RM04 → someone who needs to route and record the sources going into that mix.
This is a tool for ears, not a routing hub. Cerwin Vega built the HB1 around 50 mm neodymium magnet motor structures, which is a large driver for an over-ear headphone, and the spec sheet pairs that with a 10Hz–22KHz frequency range and 96 dB sensitivity. In plain terms: this is a headphone that reaches deep into the low end and still claims well-balanced mids and highs. That's exactly the profile a mixing engineer wants — enough bass extension to hear what a kick drum and bassline are actually doing, without the midrange getting buried underneath it.
The practical details back up the mixing angle. The cord is detachable with a twist-lock connection, and both a coiled and a straight cable are included, so you can swap depending on whether you're at a desk or moving around. The coiled cord matters more than it sounds — it keeps the cable off your lap and out of your way while you work. The headband is adjustable and stretchable for finding your angle, and the earcups use oversized comfort cushions, which is the difference between a two-hour session and a twenty-minute one. There's also a built-in mic, which makes it usable for calls and game chat, plus a protective case for transport.
Zenolix RM04: Who It's For
The RM04 is a different species entirely. It's a 4-channel audio mixer, which means it doesn't produce sound — it organizes it. You get 2 XLR/6.35 mm mono combo inputs plus a stereo 6.35 mm line in, each channel with its own mute and 48 V phantom power. That phantom power is the detail that matters most: it's what lets you plug in a condenser microphone, which is the microphone type most home studios and podcasters actually use. Without it, that mic simply won't work.
From there the RM04 gives you high/mid/low EQ, PAN and an FX send on every channel, HI-Z on channel 1 (useful for plugging a guitar or bass straight in) and LOW-CUT on channel 2, plus 99 reverb effects. Built-in Bluetooth lets you stream backing tracks from your phone, and the USB port handles U-disk playback and onboard recording. Connect it over USB Type-C and it becomes a 24-bit/192 kHz audio interface with loopback — so it can feed clean audio into your recording or streaming software on a computer.
Outputs are equally practical: balanced XLR and 6.35 mm main outs for powered speakers or studio monitors, plus both 6.35 mm and 3.5 mm headphone jacks for monitoring.
Who should buy it: singer-songwriters, podcasters, streamers, church volunteers, open-mic hosts, DJs who need a small board, and anyone running a couple of mics and a phone into a set of powered speakers. Who should skip it: anyone who just wants to listen to music privately, anyone who needs portability (3.08 kg and corded electric power keep it on a desk), and anyone who wants a simple plug-and-play interface with no channel management at all.
Side-by-Side: Which Should You Choose?
• You need to hear a mix accurately → Cerwin Vega Mobile CV Over Ear Headphones. 50 mm drivers and a 10Hz–22KHz range are built for monitoring detail.
• You record or stream to a computer → Zenolix RM04. USB-C, 24-bit/192 kHz, with loopback for clean signal into your software.
• You want a replaceable cable → Cerwin Vega Mobile CV Over Ear Headphones. Twist-lock detachable cord with both coiled and straight options included.
• You need wireless playback of backing tracks → Zenolix RM04. Built-in Bluetooth plus U-disk playback.
• You want a built-in mic for calls or chat → Cerwin Vega Mobile CV Over Ear Headphones. The HB1 includes one.
• You're setting up for a small live event → Zenolix RM04. Balanced XLR and 6.35 mm main outs feed powered speakers directly.
• Best for long mixing sessions → Cerwin Vega Mobile CV Over Ear Headphones. Oversized comfort cushions and an adjustable, stretchable headband.
If I had to pick one for the specific job of mixing, I'd buy the Cerwin Vega Mobile CV Over Ear Headphones. The reason is simple: mixing is a listening task, and the HB1 is purpose-built for it — large 50 mm neodymium drivers, bass extension down to 10Hz, a detachable cable, and comfort designed for long sessions. The break-in period is a real inconvenience, and the 4-ohm impedance is worth checking against your gear, but neither changes what the headphone is for.
That said, these two aren't really competitors — they're two halves of the same studio. If you're recording mics and instruments, the Zenolix RM04 is the better single purchase because nothing else in this comparison can route, power or record a signal. In my opinion, buy the RM04 first if you have nothing to plug a mic into, and the Cerwin Vega first if you already have a signal chain and just need to hear it properly.
how to connect studio headphones
Studio headphones like the Cerwin Vega HB1 connect through a wired 3.5 mm jack. Plug directly into your interface, mixer, laptop or phone's headphone output, or use an adapter if your gear has a larger socket. The HB1's cable is detachable with a twist-lock connection, so you can swap between the included coiled and straight cords.
how to test studio headphones
Start with a track you know intimately and listen for balance across the range — the HB1 is rated 10Hz–22KHz with 96 dB sensitivity, so you're checking whether bass, mids and highs stay distinct. Sweep the volume to check for distortion, and confirm both drivers work. Cerwin Vega notes a roughly one-month break-in before the HB1 reaches its best sound, so judge it after that period, not on day one.
how to bluetooth studio headphones
The Cerwin Vega HB1 is wired-only — there's no Bluetooth, so it can't be paired wirelessly. If you want wireless playback in a studio setup, the Zenolix RM04 has built-in Bluetooth for streaming music from your phone into the board, though that's a mixer feature, not a headphone one.
can you mix with just headphones
Yes — plenty of work gets done on headphones alone, and the HB1's 50 mm drivers and wide 10Hz–22KHz range make it a reasonable choice for that. The honest caveat is that headphones can't replicate how a room and speakers interact, so checking a mix on both is safer when you can. For tracking and detailed editing, headphones are entirely workable.
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