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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a dedicated on-stage personal monitor amplifier that lets you mix two sources and drive your in-ears loud enough to survive a drum kit, choose ANLEON S1; if you need the actual in-ear monitors themselves — triple-driver earphones with detachable cables, a mic cable and a full accessory kit — choose BASN Bmaster Triple Drivers.
• ANLEON S1 — biggest strength: a purpose-built personal in-ear monitor amp with dual XLR inputs, mono/stereo operation and a Level plus Balance/Mix control pair, so two sources can be blended into one clean feed for your ears.
• ANLEON S1 — biggest trade-off: it is not a pair of headphones. It's a corded aluminum belt/desk unit that needs a 9V power adaptor and your own in-ear monitors, and it's aimed at players who stay in one spot rather than roam the stage.
• BASN Bmaster Triple Drivers — biggest strength: a complete wired IEM package — two dynamic drivers plus one balanced armature, two detachable MMCX cables (one with an inline mic and remote), memory foam and silicone tips, a 6.3mm adapter, cable clip, cleaning tool and a carry case.
• BASN Bmaster Triple Drivers — biggest trade-off: it's a passive wired earphone. There's no amp, no wireless, no battery — it needs a source with enough output, and the sound-isolating seal is what gives you the quiet stage, not electronics.
• Who each is for: ANLEON S1 → the performer who needs to hear themselves over a loud band and wants to mix two feeds. BASN Bmaster Triple Drivers → the player, engineer or everyday listener who needs the earphones and wants to swap cables later.
The S1 is a monitor headphone amplifier, and it's worth being blunt about that: this is the box that goes between the monitor feed and your ears. Two XLR inputs let you run a 2-channel setup and collapse it to mono or stereo, and the Balance/Mix control is what makes that useful — you can push one source forward and pull the other back instead of accepting whatever blend the venue hands you. For a drummer behind a loud kit, that's the whole point.
Buy it if you're a drummer, keyboardist, guitarist, bassist or vocalist who stays roughly in one place and wants personal control of your monitor mix. Skip it if you were hoping for earphones — the S1 doesn't include in-ears, and it's corded electric, so there's no battery-powered freedom to move around the room.
BASN Bmaster Triple Drivers: Who It's For
The Bmaster is the other half of the equation: the actual monitors. Inside each earpiece you get two dynamic drivers plus one balanced armature, with a 20 Hz–20 kHz range and 34±1 Ω impedance at 1 kHz (the listing also quotes 16 ohm in the spec block). Practically, that's a hybrid setup built for low-end weight with detail on top — the tuning is described as balanced and coherent with a good bass foundation, a clear midrange and a treble that doesn't get harsh.
The fit story is where these earn their place on a stage. The earpiece shape is rounded for the ear canal and based on sampling lots of ear models, and the earhook on the cable is there to keep the earphone locked in during live use. You also get a real tip selection — three sizes of memory foam plus six silicone tips — which matters more than any spec sheet, because isolation only works when the seal is right. MMCX connectors rotate 360 degrees and let you swap or replace cables, and BASN ships two: an OFC silver-plated audio cable and a separate inline mic cable with volume, voice and call control.
That second cable is why these aren't strictly a stage tool. Plug in the mic cable and they work as everyday wired earphones for calls and listening; use the silver-plated cable and the 6.3mm adapter and they're at home on a desk or a mixer. The carry case, cable clip and cleaning tool round out a kit that's clearly meant to travel. One-year warranty on parts and labor.
Buy them if you want the earphones themselves — for monitoring, for audio work, or just for a noise-isolating wired pair you can repair instead of replace. Skip them if you need amplification or wireless; there's no battery and no amp inside.
• Best for controlling your own monitor mix → ANLEON S1. Two XLR inputs plus Level and Balance let you blend two feeds; the Bmaster can't do that on its own.
• Best for hearing yourself over a loud drummer → ANLEON S1. The high-power output and limiter are built for exactly that scenario.
• Best for a complete ready-to-play earphone kit → BASN Bmaster Triple Drivers. Earphones, two cables, seven-plus tips, adapter, clip, case and cleaning tool in one box.
• Best for sound isolation → BASN Bmaster Triple Drivers. Sealed in-ear fit with memory foam and silicone options; the S1 isolates nothing by itself.
• Best for cable longevity and customization → BASN Bmaster Triple Drivers. Detachable MMCX with 360-degree rotation means a broken cable is a swap, not a replacement pair.
• Best for calls and everyday listening → BASN Bmaster Triple Drivers. The inline mic cable adds volume, voice and call control.
• Best for a fixed position on stage → ANLEON S1. Aluminum body, 9V adaptor, set-and-forget knobs.
• Best if you already own good in-ears → ANLEON S1. It's the missing link between the monitor feed and the earphones you already trust.
In my opinion, these two aren't really rivals — they're two stages of the same signal chain, and the right pick depends on which stage you're missing. If you already have in-ear monitors and your problem is that you can't hear yourself or can't control your blend, I'd buy the ANLEON S1: the XLR inputs, the Mix control and the limited high-power output solve a problem no earphone can solve on its own.
If you don't yet own monitors, or you want one wired pair that does stage duty and doubles as everyday earphones, I'd buy the BASN Bmaster Triple Drivers. The hybrid triple-driver setup, the tip selection, the two detachable cables and the accessory kit give you more to work with straight out of the box. Buy the S1 for the mix. Buy the Bmaster for the ears.
FAQ
how to check headphones battery
The BASN Bmaster Triple Drivers have no battery — they're wired, powered entirely by whatever you plug them into, so there's nothing to check. The ANLEON S1 also runs on a 9V/300mA power adaptor rather than a battery, so it stays plugged in.
You can only see a battery level on an iPhone for wireless accessories that report one. Neither product here qualifies: the Bmaster is a wired 3.5mm earphone and the S1 is a corded amplifier, so an iPhone won't show a battery indicator for either.
how to check headphones
For the Bmaster, check the basics: seat a foam or silicone tip that seals, confirm the MMCX connector is fully rotated into place, and try the second cable if one channel drops out. For the S1, confirm the 9V adaptor is connected, both XLR sources are live, and then work the Level and Balance knobs.
how to check headphones mic
The Bmaster ships with a dedicated inline mic cable carrying volume, voice and call control — plug that cable in and make a test call or voice recording to confirm the mic is active. The ANLEON S1 has no microphone at all; it's an amplifier with XLR inputs only.
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