JL Audio® HD Car Monoblock Amplifier Monoblock Amplifier (1200 W) (HD1200/1)

JL Audio® HD Car Monoblock Amplifier Monoblock Amplifier (1200 W) (HD1200/1)

Command your vehicle's audio soundstage and deliver continuous, audiophile-grade electrical current with the advanced high-current marine and car amplifiers of JL Audio. Packed with signature technical architectures—such as ultra-efficient Class-D engineering or highly adaptable multi-zone digital signal distributions—these state-of-the-art powerhouses feed massive clean headroom with zero system background noise.

Product Overview & Core Highlights:

JL Audio® HD Car Monoblock Amplifier Monoblock Amplifier (1200 W) (HD1200/1)

COMPACT, POWERFUL, EFFICIENT

SELECTABLE 12- OR 24-DECIBEL/ OCTAVE FILTER SLOPE

REMOVABLE POWER AND SPEAKER CONNECTORS

SELECTABLE INPUT VOLTAGE: LOW (200 MV TO 2-VOLT RMS) TO HIGH (800 MV TO 8-VOLT RMS)

INFRASONIC FILTER AND POLARITY SWITCH

2 MOUNTING OPTIONS PLUS A SPACE-SAVING STACKING FEATURE

2-YEAR WARRANTY

 

CHANNELS	Monoblock
PHYSICAL DIMENSIONS (HEIGHT)	1.93" (49 mm)
PHYSICAL DIMENSIONS (WIDTH)	10.74" (273 mm)
PHYSICAL DIMENSIONS (DEPTH)	7.85" (199 mm)
WEIGHT	6.6 lbs (2.99 kg)
WARRANTY	2 years
OPERATING VOLTAGE	11-14.5 VDC

Audio
AMPLIFIER CLASS	Class D
RATED CONTINUOUS (RMS) POWER (14.4 V INPUT @ 4 OHM < 1% THD)	Monoblock (750 W): 750 W x 1 Monoblock (1200 W): 1200 W x 1
RATED CONTINUOUS (RMS) POWER (14.4 V INPUT @ 2 OHM < 1% THD)	Monoblock (750 W): 750 W x 1 Monoblock (1200 W): 1200 W x 1
RATED CONTINUOUS (RMS) POWER (12.5 V INPUT @ 4 OHM < 1% THD)	Monoblock (750 W): 750 W x 1 Monoblock (1200 W): 1200 W x 1
RATED CONTINUOUS (RMS) POWER (12.5 V INPUT @ 2 OHM < 1% THD)	Monoblock (750 W): 750 W x 1 Monoblock (1200 W): 1200 W x 1
SIGNAL-TO-NOISE RATIO, REFERRED TO HIGHEST RATED POWER (A-WEIGHTED, 20 HZ - 20 KHZ NOISE BANDWIDTH): ANALOG INPUTS	111 dB
SIGNAL-TO-NOISE RATIO, REFERRED TO 1 W (A-WEIGHTED, 20 HZ - 20 KHZ NOISE BANDWIDTH): ANALOG INPUTS	82.2 dB
DAMPING FACTOR @ 4 Ω	>500/50 Hz
DAMPING FACTOR @ 2 Ω	>250/50 Hz
THD+N @ RATED POWER	<0.03% @ 4 Ω
FREQUENCY RESPONSE (+0, -1DB)	6 Hz-8 kHz
INPUT VOLTAGE RANGE @ RCA INPUTS	Switchable from 200 mV-2 V RMS (Low) to 800 mV-8 V RMS (High)
FUSE RATING	Monoblock (750 W): 60 A Monoblock (1200 W): 100 A
RECOMMENDED FUSE TYPE(S)	AFS, AGU or MaxiFuse™
MIN. COPPER POWER/GROUND WIRE GAUGE	4 AWG wire

Signal Processing
FILTER MODE(S): CHANNELS 1 & 2	Off, Low-pass or High-pass
FILTER SLOPE(S): CHANNELS 1 & 2	12/24 dB/octave
FILTER FREQUENCY RANGE: CHANNELS 1 & 2	50 Hz-500 Hz
DETENTED, CALIBRATED FILTER FREQUENT POTENTIOMETERS
INFRASONIC FILTER: SUBWOOFER CHANNEL	30 Hz, Defeatable
REMOTE LEVEL CONTROL	Optional (HD-RLC)
OUTPUT POLARITY SWITCH
PASS-THROUGH PREAMP OUTPUT	Buffered

🚨 Critical Performance Specifications:

• Package Quantity Configuration: Sold Individually (Includes 1 Premium Component Unit)
• Manufacturer Part Number (MPN): 010-03170-00
• Product Category Component: Amplifiers
• Physical Hardware Sizing: 93-Inch Layout Profile
• Continuous Power Handling (RMS): 1200 Watts RMS
• Nominal Circuit Resistance Stability: 4 Ohms
• Total Package Boxed Shipping Weight: 7.0 lbs