Zapco · ST-D Compact Series
ST-105D
Class D, 5-Ch — Power 2Ω: 4 x 130W + 1 x 300W
$449.99 MSRP · USD
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The ST-105D is a 5-channel Class D amplifier in Zapco's ST-D Compact Series, combining four full-range channels with a dedicated 200 W mono subwoofer channel in one palm-sized 12.4 cm chassis.
Key Features 5-Channel, Class-D amplifier (4 full-range + 1 subwoofer) Ultra-compact chassis : 124 mm (W) × 50 mm (H)LP / HP / Flat filter switchable (35 Hz – 250 Hz) Separate gain control per channel group 40 A fuse rating Power Output 4 Ω (4 ch. + sub) 4 × 80 W + 1 × 200 W 2 Ω (4 ch. + sub) 4 × 130 W + 1 × 300 W 4 Ω Bridged (front) 2 × 250 W
Performance Amplifier Class D Channels 5 Signal-to-Noise > 90 dB THD at Rated Power < 0.1% Frequency Response 20 Hz – 20 kHz Tested Voltage 14.4 V
Connections & Controls Inputs RCA low-level (12 kΩ) Gain 0.38–13 V (Ch.1/Ch.4) / 0.21–9 V (Ch.5)
Dimensions Overall (L × W × H) 262 × 124 × 50 mm
Product Details Brand Zapco Series ST-D Compact Model ST-105D SKU ST-105D EAN 8033373006654
Genuine product · Authorized U.S. dealer · Drop-shipped direct
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