STEG Q4C – High-Precision Concentric Speaker for Exceptional Clarity

The STEG Q4C is a premium concentric speaker designed to deliver unmatched accuracy, natural tonality, and superior soundstage performance in compact applications. Engineered with STEG’s Italian acoustic technology, the Q4C provides crystal-clear detail and exceptional stability, making it ideal for high-end car audio systems that demand precision.

Perfectly Balanced Sound in a Compact Design

Thanks to its concentric driver architecture, the Q4C ensures that all frequencies originate from the same point source. This creates:

• Improved imaging

• Accurate sound positioning

• Smooth phase alignment

• More realistic vocal and instrument reproduction

Despite its compact size, it delivers powerful detail across the full spectrum — from crisp highs to articulate mids.

High Efficiency with Excellent Power Handling

With 95dB sensitivity (2.83V/1m), the STEG Q4C offers impressive efficiency, allowing it to produce high output even with low power.
Its 30W rated power makes it perfect for OEM upgrades or high-fidelity systems requiring precision without distortion.

• Engineered for Precision Performance

• Premium NdFeB Magnet for Superior Control

• Compact & Easy Installation

Specification

• Impedance: 4 Ohm

• Frequency Response: 127–20,000 Hz

• Rated Power: 30W

• Sensitivity (2.83V/1M): 95dB

• Qms: 4.576

• Qes: 0.304

• Qts: 0.285

• Mms: 2.246g

• Vas: 1.646 L

• Magnet: NdFeB

• Mounting Diameter: 81.0 mm

• Mounting Depth: 34.0 mm