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Zapco ST-2XP SQ III LE 2-Channel Class AB Sound Quality Amplifier

Zapco ST-2XP SQ III LE 2-Channel Class AB Sound Quality Amplifier

The Zapco ST-2XP SQ III LE is a 2-channel, full-range Class AB amplifier built for sound quality. It makes 2 x 150 W at 4 ohms, 2 x 250 W at 2 ohms, or 500 W bridged into 4 ohms, so it can run a front component set or bridge to a single subwoofer. The LE version moves to a new aluminum chassis with Tiffany-style panel-mount RCA jacks and adds speaker-level inputs with auto turn-on for factory radio installs.

Part of the Zapco ST-X III Series.

Highlights

  • 2-channel, full-range Class AB design for sound quality
  • Tiffany-style panel-mount RCA inputs
  • Speaker-level inputs with auto turn-on
  • Variable input gain, electronic crossover and bass boost
  • New ST-X III LE aluminum chassis

Best for

Powering a front component set in a sound-quality build, or bridging to one subwoofer. For a full system from one amp, see the ST-6X SQ III LE.

Specifications

Type 2-channel Class AB, full range
Power, 4Ω 2 x 150 W
Power, 2Ω 2 x 250 W
Power, bridged 4Ω 1 x 500 W RMS
THD at rated power < 0.5%
THD + noise < 0.05%
Signal-to-noise ratio > 95 dB
Channel separation > 60 dB
Frequency response 15 Hz – 30 kHz ±1 dB
Input sensitivity 0.25 V – 5 V
Dimensions, net (W x H x L) 160 x 58 x 300 mm
Dimensions, overall (W x H x L) 160 x 58 x 325 mm

Download the Zapco ST-X III owner's manual (PDF)

Why buy Zapco from ShopAlumapro

ShopAlumapro is an authorized Zapco dealer. Orders of $499 or more ship free, and we can install your Zapco amplifier at our shop in Cary, Illinois. See installation or talk to us about your build.

Regular price $399.99 USD
Regular price Sale price $399.99 USD
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