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Zapco REF 150.4
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REF 150.4

Class AB, 4-Ch — Power 2Ω: 4 x 230W, 4Ω: 4 x 150W

$1,599.99MSRP · USD

The REF 150.4 is a 4-channel Class AB amplifier in Zapco's Reference Series, designed to drive high-end speakers with selected audiophile components and an upgradable op-amp stage.

Key Features

  • 4-Channel, Class-AB full-range amplifier
  • Selected Sanken MN1526/MP1526 output transistors
  • ELNA Series RA3/RFS signal-path capacitors with SAMXON power supply caps
  • Balanced/unbalanced input selectable via internal button
  • Upgradable op-amps — MUSES8820 standard; socket-mounted for easy swap to MUSES02

Power Output

4 Ω Stereo4 × 150 W
2 Ω Stereo4 × 230 W
4 Ω Bridged2 × 470 W

Performance

Amplifier ClassAB
Channels4
Signal-to-Noise> 102 dB (A-weighted @ full power)
THD at Rated Power< 0.02% (1 kHz, 4 Ω, 70% rated power)
Frequency Response10 Hz – 40 kHz
Tested Voltage14.4 V

Connections & Controls

Inputs4 × RCA low-level
Gain0.5 V – 8 V input sensitivity

Dimensions

Overall (L × W × H)416 × 210 × 62 mm

Product Details

BrandZapco
SeriesReference
ModelREF 150.4
SKUREF150.4
EAN8033373006975
Inquire to Order More Reference

Genuine product · Authorized U.S. dealer · Drop-shipped direct

Documentation

Product Page at ZapcoOwner's Manual (PDF)