BASN Metalen PRO 4 Drivers In-Ear Monitors Headphones - Enhanced Bass

Our review of the BASN Metalen PRO in-ear monitors finds them best suited for musicians and vocalists who need reliable stage or studio sound with strong isolation and a fuller low end. The single biggest reason to buy is the hybrid four-driver design that pairs two balanced armature drivers with two dynamic drivers per earbud, producing detailed mids and treble while delivering enhanced bass response. Build quality and fit are notable too, with CNC metal shells and a selection of tips that keep the monitors comfortable and secure during long sessions.

Key Features

• Four hybrid drivers: The combination of two balanced armature drivers and two dynamic drivers per earbud improves definition and reveals finer detail across frequencies.
• Excellent sound isolation: The wired design and snug ear tip fit block external noise, making these suitable as stage monitors or for focused studio listening.
• Detachable MMCX cables: The mmcx detachable design lets you swap or upgrade cables easily and reduces the risk of throwing away the whole unit if a cable fails.
• Included inline volume and mic cable: One included fiber cable with inline volume and mic adds convenience for mobile use and quick level adjustments.
• CNC metal crafts and electroplating: Metal earpieces are corrosion resistant and resist wear, giving a solid, durable feel compared with plastic shells.
• Complete kit: The supplied accessories including multiple tips, memory foam, a 1/4 in adaptor and a carrying case make the set ready for live or studio use out of the box.

Who It's For

These earphones are aimed at performing musicians, vocalists and audio engineers who need accurate mids and treble clarity with an added bass presence. The strong isolation and the detailed aural imaging make them useful on stage, in-ear monitoring, and for tracking sessions where bleed and external noise need to be minimized.

Casual listeners who prioritize wireless convenience or who want plug-and-play earbuds without swapping cables may want to look elsewhere. Buyers who are concerned about cable longevity should be prepared to replace or upgrade the detachable cable over time, since some users report mixed results on cable durability.

Pros & Cons

Pros

• Balanced tonal presentation with pronounced bass and clear mids that suit vocals and live monitoring.
• Sturdy metal housing and electroplated finish that resist wear and feel premium.
• Detachable mmcx cables and a full accessory kit make the set versatile and serviceable.
• Good isolation for stage and studio use, keeping focus on the performance.

Cons

• Cable quality receives mixed feedback, so some users may want to buy an upgraded replacement cable sooner rather than later.

Specifications

Drivers	2 balanced armature + 2 dynamic per earbud
Connection	Wired with detachable MMCX cables
Included Cables	Silver-plated OFC cable and fiber cable with inline volume mic
Shell Material	CNC metal with electroplating
Accessories	T-shirt clip, S/M/L tips, memory foam tips, velcro strips, cleaning brush, 1/4 in adaptor, carrying case
Cable Length	Approx 4.9 ft

Our Verdict

The BASN Metalen PRO delivers a compelling blend of clarity, isolation and reinforced bass that makes it a strong choice for musicians and vocalists who need dependable in-ear monitors for stage and studio. The metal construction and detachable mmcx cables add durability and serviceability, but buyers should be aware of mixed reports on cable longevity and consider an upgraded cable if needed. Overall, these offer good value for performers who want detailed sound without a high price tag.

Frequently Asked Questions

Are the cables replaceable?
Yes. The earpieces use detachable MMCX connectors so cables can be replaced or upgraded.

Do these isolate well on stage?
Yes. The snug tips and metal shell design provide strong sound isolation suitable for live monitoring.

Is the kit ready for studio use?
Yes. The included tips, foam, 1/4 in adaptor and carrying case make the set ready for studio tracking and live work.