AFUL Performer 8S – 9-Driver Hybrid IEM with Adjustable Bass Control

The AFUL Performer 8S is a next-generation flagship hybrid in-ear monitor built for audiophiles who want reference-level detail with personalized bass control. Featuring an industry-first 9-driver hybrid architecture, the Performer 8S combines the strengths of dynamic, balanced armature, passive radiator, and micro planar drivers to deliver an exceptionally resolving, versatile, and customizable sound signature.

At its core is a 1 Dynamic Driver for deep and textured sub-bass, 6 Balanced Armature drivers for transparent mids and precise imaging, a dedicated Passive Radiator for extended low-frequency authority, and a Micro Planar driver for ultra-fast, airy treble reproduction up to 40kHz. What truly sets the Performer 8S apart is AFUL’s adjustable passive radiator tuning system, allowing listeners to fine-tune bass quantity instantly—adapting the sound to different genres, moods, and listening environments.

Crafted from medical-grade translucent resin, the Performer 8S offers a lightweight yet premium ergonomic design that ensures long-hour comfort and excellent noise isolation. A detachable 0.78mm 2-pin silver-plated OFC cable ensures clean signal transmission and future upgrade flexibility. Whether you listen to classical, jazz, rock, EDM, or modern pop, the AFUL Performer 8S delivers flagship-class technical performance with unmatched tuning versatility.

Sound Signature & Performance

Bass
The dynamic driver paired with the adjustable passive radiator produces bass that is deep, controlled, and highly tunable. From fast and neutral low-end to powerful, visceral slam, the Performer 8S adapts effortlessly to your music preferences.

Midrange
Six balanced armature drivers deliver natural, transparent mids with outstanding instrument separation. Vocals remain lifelike, expressive, and perfectly positioned without coloration.

Treble
The micro planar driver ensures fast, detailed, and fatigue-free treble with excellent air and sparkle. Extension up to 40kHz reveals micro-details, room ambience, and high-frequency texture with ease.

Soundstage & Imaging
Expect a wide, layered, and holographic soundstage with precise imaging and depth. Complex mixes remain clean, controlled, and engaging even at higher volumes.

Adjustable Bass System – One IEM, Multiple Sound Profiles

Neutral Mode – Tight, accurate bass ideal for classical, jazz, and acoustic recordings
Balanced Mode – Warm, versatile tuning suitable for most genres
Enhanced Mode – Impactful, powerful bass for EDM, hip-hop, and modern pop
Tool-Free Switching – Instantly change tuning without cable swaps or accessories

Why Choose the AFUL Performer 8S?

9-driver hybrid design with unmatched driver diversity
Adjustable bass tuning for true sound personalization
Flagship-level resolution, speed, and dynamics
Premium resin shells with excellent comfort
Easy to drive with phones, DAPs, and amplifiers
Upgrade-ready 0.78mm 2-pin detachable cable

Technical Specifications

Driver Configuration: 1DD + 6BA + 1PR + 1 Micro Planar
Total Drivers per Side: 9
Frequency Response: 10Hz – 40kHz
Impedance: 16Ω ±15% (@1kHz)
Sensitivity: 110dB/mW (@1kHz)
THD: ≤1% (@1kHz, 94dB SPL)
Cable Connector: 0.78mm 2-Pin (Detachable)
Cable Length: 1.2m
Cable Material: Silver-Plated OFC
Plug Type: 3.5mm Single-Ended
Shell Material: Medical-Grade Resin
Weight: ~6g per earpiece
Noise Isolation: Up to -28dB
Bass Adjustment: Passive Radiator Tuning Switch

What’s in the Box

AFUL Performer 8S IEMs (1 Pair)
Detachable 0.78mm 2-Pin Cable
Silicone Ear Tips (S / M / L)
Premium Carrying Case
User Manual
Warranty Card

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