Tanchjim 4U

The reviewer finds the Tanchjim 4U to be a well-built and comfortable single dynamic driver IEM at $70, with a mild V-shaped tuning that is lively and pleasant, though it lacks the technical refinement of the pricier Tanchjim Origin. The unique bass tuning module is a highlight, allowing users to adjust bass levels to taste, but the overall sound is not particularly bass-heavy even at the maximum setting. It competes well in the sub-$100 range, though the treble and bass impact could be more distinctive.

The reviewer praises the Tanchjim 4U as an exceptional budget IEM, highlighting its unique physical bass tuning dial that offers four distinct levels, from moderate to extreme bass. He finds the second bass setting perfect for his taste, appreciates the comfortable fit, quality cable, and overall soundstage, and ultimately gives it a perfect 10/10 score, calling it a remarkable value at around $70.

The reviewer finds the Tanchjim 4U to be a versatile and well-built budget IEM, offering four distinct sound tunings via a switch, with the 'monitoring' mode being particularly impressive for its flat, transparent response. While the stock cable and bright tuning may not suit everyone, the overall performance and flexibility make it a strong value at $70.

The reviewer finds the Tanchjim 4U to be a solid budget IEM with a unique four-position bass adjustment system, though he prefers the 'atmosphere' setting for its more balanced and warm sound. He notes that while it's not the most natural-sounding option and has some sub-bass rolloff in other modes, it offers good build quality, comfort, and adequate technical performance for the price, earning a recommendation despite not being a strong one.

The reviewer highly praises the Tanchjim 4U, calling it a new discovery and their favorite IEM. They highlight its exceptional detail retrieval, powerful sub-bass, and wide soundstage, especially in the atmosphere mode, while noting minor drawbacks like a slight bass bleed and a treble dip. Overall, they consider it a standout performer in its price range, with versatile tuning options via dip switches.

The reviewer finds the Tanchjim 4U to be a decent entry-level IEM with a natural, organic timbre and good detail retrieval, but notes that the bass tuning dial is gimmicky and the bass quantity is insufficient for bassheads. The build is prone to fingerprints and scratches, and while it sounds pleasant, it faces stiff competition in the sub-$100 range, with the reviewer preferring alternatives like the Cine Deli.