Authorized Dealer
HF Audio Labs
Zapco — Reference-quality engineering since 1974.
Authorized US Dealer

Zapco

Founded in 1974, Zapco has spent more than five decades engineering reference-quality amplifiers, DSPs, and mobile audio electronics. From the Competition Series to today's Z-Series amplifiers and ADSP processors, Zapco continues to refine its designs with a focus on clean power, low noise, and exceptional musical fidelity.

Shop All Zapco Amplifiers & DSP68 products
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Showing 68 of 68 · price $11 – $2,039
Zapco DSP-Z8 IV AT | HF Audio
Zapco
DSP-Z8 IV AT
DSP Processor
SQDAILY
$599.99
Zapco ADSP-Z12 IV-10A — lifestyle | HF Audio
Zapco
ADSP-Z12 IV-10A
DSP Amplifier
SQDAILY
$1,299.99
Zapco ADSP-Z16 IV-12A — lifestyle | HF Audio
Zapco
ADSP-Z16 IV-12A
DSP Amplifier
SQDAILY
$1,499.99
Zapco M-AT1 | HF Audio
Zapco
M-AT1
Accessory
SQDAILY
$199.99
Zapco ASP-Q2 | HF Audio
Zapco
ASP-Q2
Signal Processor
SQDAILY
$499.99
Zapco ASP-X4 — Signal Processor
Zapco
ASP-X4
Signal Processor
SQDAILY
$399.99
Zapco ASP-X2 — Signal Processor
Zapco
ASP-X2
Signal Processor
SQDAILY
$199.99
Zapco ASP-L6 | HF AudioSOLD OUT
Zapco
ASP-L6
Signal Processor
SQDAILY
$299.99
Zapco ASP-L2 BT | HF AudioSOLD OUT
Zapco
ASP-L2 BT
Signal Processor
SQDAILY
$199.99
Zapco ASP-OE8 — Signal Processor
Zapco
ASP-OE8
Signal Processor
SQDAILY
$369.99
Zapco ASP-OE2 — Signal Processor
Zapco
ASP-OE2
Signal Processor
SQDAILY
$129.99
Zapco ASP-OEB — Signal Processor
Zapco
ASP-OEB
Signal Processor
SQDAILY
$59.99
Zapco ASP-L2 T | HF Audio
Zapco
ASP-L2 T
Signal Processor
SQDAILY
$199.99
Zapco Z-OTG-BT C — detail view | HF Audio
Zapco
Z-OTG-BT C
Converter
SQDAILY
$199.99
Zapco Z-150.2 AP — Amplifier
Zapco
Z-150.2 AP
Amplifier · 1000W Max
SQ
$899.99
Zapco Z-300.2 AP | HF Audio
Zapco
Z-300.2 AP
Amplifier · 1200W Max
SQ
$1,499.99
Zapco Z-600.2 AP — Amplifier
Zapco
Z-600.2 AP
Amplifier · 1000W Max
SQ
$1,799.99
Zapco Z-150.4 AP | HF Audio
Zapco
Z-150.4 AP
Amplifier · 275W Max
SQ
$1,499.99
Zapco Z-150.6 AP — AmplifierSOLD OUT
Zapco
Z-150.6 AP
Amplifier · 275W Max
SQ
$1,899.99
Zapco Z-1100.1 AP — Mono Amplifier
Zapco
Z-1100.1 AP
Mono Amplifier · 1100W Max
SQ
$1,499.99
Zapco Z-2000.1 AP | HF AudioSOLD OUT
Zapco
Z-2000.1 AP
Mono Amplifier · 2000W Max
SQ
$1,799.99
Zapco Z-CB100F | HF Audio
Zapco
Z-CB100F
Capacitor Bank
SQDAILY
$599.99
Zapco Z-PS110V P100A | HF AudioSOLD OUT
Zapco
Z-PS110V P100A
Power Supply
SQDAILY
$499.99
Zapco Z-PS220V P100A | HF AudioSOLD OUT
Zapco
Z-PS220V P100A
Power Supply
SQDAILY
$499.99
Zapco Z-150.2 II — top view | HF Audio
Zapco
Z-150.2 II
Amplifier · 600W Max
SQDAILY
$599.99
Zapco Z-150.4 II | HF Audio
Zapco
Z-150.4 II
Amplifier · 275W Max
SQDAILY
$959.99
Zapco Z-150.6 II — Amplifier
Zapco
Z-150.6 II
Amplifier · 275W Max
SQDAILY
$1,199.99
Zapco Z-1KD II — top view | HF Audio
Zapco
Z-1KD II
Mono Amplifier · 1000W Max
SQDAILY
$499.99
Zapco Z-2KD II — Mono AmplifierSOLD OUT
Zapco
Z-2KD II
Mono Amplifier · 2000W Max
SQDAILY
$999.99
Zapco Z-3KD II | HF AudioSOLD OUT
Zapco
Z-3KD II
Mono Amplifier · 3000W Max
SQDAILY
$1,499.99
Zapco Z-BR II — Accessory
Zapco
Z-BR II
Accessory
SQDAILY
$24.99
Zapco REF 250.2 — Amplifier
Zapco
REF 250.2
Amplifier · 350W Max
SQ
$1,399.99
Zapco REF 150.4 — Amplifier
Zapco
REF 150.4
Amplifier · 230W Max
SQ
$1,599.99
Zapco REF 150.6 — Amplifier
Zapco
REF 150.6
Amplifier · 220W Max
SQ
$1,999.99
Zapco REF 500.1 — Mono Amplifier
Zapco
REF 500.1
Mono Amplifier · 550W Max
SQ
$1,199.99
Zapco ST-2XP SQ III — AmplifierSOLD OUT
Zapco
ST-2XP SQ III
Amplifier · 275W Max
SQDAILY
$359.99
Zapco ST-4X SQ III | HF Audio
Zapco
ST-4X SQ III
Amplifier · 125W Max
SQDAILY
$399.99
Zapco ST-4XP SQ III | HF Audio
Zapco
ST-4XP SQ III
Amplifier · 275W Max
SQDAILY
$599.99
Zapco ST-6X SQ III — Amplifier
Zapco
ST-6X SQ III
Amplifier · 125W Max
SQDAILY
$639.99
Zapco ST-204D SQ III | HF Audio
Zapco
ST-204D SQ III
Amplifier · 290W Max
SQDAILY
$699.99
Zapco ST-500XM III | HF Audio
Zapco
ST-500XM III
Mono Amplifier · 400W Max
SQDAILY
$299.99
Zapco ST-1000XM III — Mono Amplifier
Zapco
ST-1000XM III
Mono Amplifier · 1000W Max
SQDAILY
$399.99
Zapco ST-1500XM III — Mono Amplifier
Zapco
ST-1500XM III
Mono Amplifier · 1600W Max
SQDAILY
$549.99
Zapco ST-2000XM III — Mono Amplifier
Zapco
ST-2000XM III
Mono Amplifier · 2000W Max
SQDAILY
$699.99
Zapco ST-BR — Accessory
Zapco
ST-BR
Accessory
SQDAILY
$11.99
Zapco ST-104D SQ III — Amplifier
Zapco
ST-104D SQ III
Amplifier · 100W Max
DAILYSQL
$299.99
Zapco ST-105D | HF Audio
Zapco
ST-105D
Amplifier · 500W Max
DAILYSQL
$449.99
Zapco ST-750D — Mono Amplifier
Zapco
ST-750D
Mono Amplifier · 750W Max
DAILYSQL
$299.99
Zapco ST-2B | HF Audio
Zapco
ST-2B
Amplifier · 125W Max
DAILY
$119.99
Zapco ST-4B | HF Audio
Zapco
ST-4B
Amplifier · 125W Max
DAILY
$159.99
Zapco ST-5B | HF Audio
Zapco
ST-5B
Amplifier · 250W Max
DAILY
$249.99
Zapco ST-1B | HF Audio
Zapco
ST-1B
Mono Amplifier · 400W Max
DAILY
$159.99
Zapco HB MS Q9P1 — Media Player
Zapco
HB MS Q9P1
Media Player
$899
Zapco HB 68 II — DSP Processor
Zapco
HB 68 II
DSP Processor
$349.99
Zapco HB 46 II 4A — DSP Amplifier
Zapco
HB 46 II 4A
DSP Amplifier
$299.99
Zapco HB 48 II 4A — DSP Amplifier
Zapco
HB 48 II 4A
DSP Amplifier
$349.99
Zapco HB 410 II 8A — DSP Processor
Zapco
HB 410 II 8A
DSP Processor
$499.99
Zapco HB 810 II 8AD — DSP Amplifier
Zapco
HB 810 II 8AD
DSP Amplifier
$749.99
Zapco HB DSP II-R — Accessory
Zapco
HB DSP II-R
Accessory
$49.99
Zapco HD-BT II-D — installation view | HF Audio
Zapco
HD-BT II-D
Accessory
SQDAILY
$99.99
Zapco HD-BT II-A — installation view | HF Audio
Zapco
HD-BT II-A
Accessory
$99.99
Zapco Zapco ASP SERIES | ASP-TPA 4-Channel Tube Preamplifier — Signal Processor
Zapco
Zapco ASP SERIES | ASP-TPA 4-Channel Tube Preamplifier
Signal Processor
SQ
$799.99
Zapco Zapco ASP-TPB 4-Channel Tube Preamplifier | HF Audio Labs — Signal Processor
Zapco
Zapco ASP-TPB 4-Channel Tube Preamplifier | HF Audio Labs
Signal Processor
SQ
$499.99
Zapco Z-200.1 AT — Mono Amplifier
Zapco
Z-200.1 AT
Mono Amplifier · 350W Max
SQ
$918.99
Zapco Z-350.1 AT — Mono Amplifier
Zapco
Z-350.1 AT
Mono Amplifier · 600W Max
SQ
$1,218.99
Zapco Z-200.2 AT — Amplifier
Zapco
Z-200.2 AT
Amplifier · 350W Max
SQ
$1,318.99
Zapco Z-350.2 AT — Amplifier
Zapco
Z-350.2 AT
Amplifier · 1200W Max
SQ
$1,718.99
Zapco Z-175.4 AT — AmplifierSOLD OUT
Zapco
Z-175.4 AT
Amplifier · 600W Max
SQ
$2,038.99