Zapco · ST-B Series
ST-2B
Class AB, 2-Ch — Power 2Ω: 2 x 90W, 4Ω: 2 x 65W
$119.99 MSRP · USD
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The ST-2B is a 2-channel Class AB amplifier in Zapco's ST-B Series, bringing Zapco's 40-year heritage of sound quality and reliability to an everyday amplifier everyone can afford.
Key Features 2-Channel, Class-AB full-range amplifier Stable into 4 Ω bridged or 2 Ω stereo load MOSFET power supply RCA and OEM speaker-level input Variable Full / LP / HP electronic crossover Variable bass boost Power Output 4 Ω Stereo 2 × 65 W 2 Ω Stereo 2 × 90 W 4 Ω Bridged 1 × 180 W RMS
Performance Amplifier Class AB Channels 2 Signal-to-Noise > 97 dB THD at Rated Power < 0.2% Frequency Response 10 Hz – 30 kHz ±1 dB Tested Voltage 14.4 V
Connections & Controls Inputs RCA and OEM speaker-level Gain Variable input gain control
Dimensions Overall (L × W × H) 230 × 182 × 52 mm Chassis (L × W × H) 200 × 182 × 52 mm
Product Details Brand Zapco Series ST-B Model ST-2B SKU ST-2B EAN 8033373003509
Genuine product · Authorized U.S. dealer · Drop-shipped direct
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