KBEAR 03 VS EarAcoustic STA Pro Max

The KBEAR KB03 (Alkaid) is a budget tri-hybrid IEM using 1DD + 1BA + 1 bone-conduction driver, positioned around $55–69 depending on retailer; this configuration is unusual at the price and defines its core proposition . Tonally, available measurements and listening reports describe a mild V-shaped balance: elevated bass/treble with a modestly set-back midrange, aiming for broad appeal without sharp peaks . In practice this yields punchy low end and a clean, slightly lively top, while male vocals can sit a touch behind dense mixes—consistent with the tuning profile .

Technical performance is competitive for the bracket: imaging is orderly and separation is adequate, while the soundstage skews average in width and depth for an in-ear at this price (neither claustrophobic nor expansive) . It is also easy to drive—published figures around low impedance and moderate sensitivity translate to confident output from phones and dongles, with dynamics that are decent but not class-leading . Overall, the KB03 offers a value-centric package with a safe, energetic tilt and solid everyday technicalities, provided one accepts a conventional stage size and the V-shaped midrange set-back .

The EarAcoustic STA Pro Max is a dual-dynamic IEM using a 10 mm LCP diaphragm paired with a 6 mm titanium-plated dynamic driver (2DD). Retail listings also show basic specs of ~110 dB sensitivity, 30 Ω impedance and a stated 10–30 kHz range, placing it in the easy-to-drive, budget category; Linsoul currently lists the Max variant at ~$79.90. A broader product overview from HiFiGo confirms the STA series’ 2DD (10 mm+6 mm) architecture and differentiates models by diaphragm materials, with the Max positioned as the LCP/titanium option.

Community impressions characterize the STA Pro Max as a bassy, V-shaped tuning with a mid-bass-dominant profile and generally lush/smooth mids, trading ultimate neutrality for warmth and fun. These notes align with reports that it delivers thicker note weight rather than maximum treble air, which suits pop and hip-hop more than critical, mid-centric listening.

Technicalities are serviceable for the price: dynamics have some punch from the mid-bass lift, but detail retrieval and stage/imaging are average and can feel compact on busy mixes. On the upside, the 30 Ω/110 dB spec makes it straightforward to drive from a phone dongle, and the 2-pin connection eases cable rolling. Overall, at ~<$100 it offers a warm, bass-forward presentation that prioritizes musical weight over forensic resolution; value is solid, but it doesn’t challenge class leaders on technical performance.

Jaytiss original ranking

Kois Archive original ranking