ST-4XP SQ III 4-Channel Class A/B Sound Quality Amplifier
Overview & Key Features
The ST-4XP SQ III is a high-performance 4-channel Class A/B amplifier designed for premium sound quality. It features Tiffany-style RCA connections, speaker-level inputs with auto turn-on, and precise tuning controls including gain, crossover, and bass boost. Housed in a new aluminum chassis, it’s built for reliable performance and clean installation.
Features
- 4-Channel Full-Range Class A/B Design
- Panel-Mount Tiffany-Style RCA Inputs
- Speaker-Level Inputs with Auto Turn-On
- Variable Input Gain Control
- Variable Electronic Crossover
- Variable Bass Boost
- New Aluminum Housing for Enhanced Durability
Technical Specifications
- Power Output @ 4Ω: 4 x 150W
- Power Output @ 2Ω: 4 x 250W
- Bridged Power @ 4Ω: 2 x 500W RMS
- THD @ Rated Power: < 0.1%
- Signal-to-Noise Ratio: > 95 dB
- Channel Separation: > 60 dB
- Frequency Response: 15 Hz – 30 kHz ±1 dB
- Input Sensitivity: 0.25V to 5V
- Net Dimensions: 160mm (W) x 58mm (H) x 450mm (L)
- Overall Dimensions: 160mm (W) x 58mm (H) x 475mm (L)
