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Part of the D Line Series MK4 line of speakers, the RCF HD 32-A MK4 is a lightweight (at 41.44 lb) and portable active speaker, which delivers full-range sound with accurate high frequencies, controlled deep bass, and stable SPL, even at high levels. With a design derived from the touring industry, it is well suited to withstand the rigors of live sound reinforcement or rentals applications, in clubs, corporate spaces, houses of worship, mobile DJ setups, and more.

The HD 32-A MK4 is equipped with a 1400W peak, Class-D digital amplifier, which drives 1000W into the 12" woofer and 400W into the 1.4", titanium compression driver. The speaker delivers a frequency response of 45 Hz to 20 kHz with a peak SPL output of 131 dB, and wide, 90°H x 60°V coverage angles. The HF driver features a 3.0" voice coil, perfect for a crossover point at only 700 Hz, which allows for almost all the vocal range to be reproduced by the driver for better coverage, dispersion control, and superior efficiency. The integrated DSP manages the loudspeaker processing, including crossover and EQ, soft limiter, and dynamic bass boost. Phase and amplitude are corrected using proprietary FiRPHASE technology conceived for delivering a natural and transparent sound, with a balanced stereo image.

Easy to operate, the HD 32-A MK4 comes with XLR and 1/4" balanced/unbalanced inputs for connecting a microphone, mixer, or audio device, and with a volume knob to set the level. Furthermore, the switchable Flat/Boost mode enables you to emphasize the bass response when playing at low volume, or keep it flat for all other applications.

The cabinet is molded with rugged polypropylene composite material (PP), and designed to dampen vibrations, even at maximum volume settings. It features a top, and side handles with rubber handgrips, which allow you to firmly hold the speaker, and move it easily. The HD 32-A MK4 can be mounted on a stand or a subwoofer pole, or positioned on its side to serve as a wedge monitor.

Key Features

D Line Series HD 32-A MK4 portable active speaker for live sound reinforcement, stage monitoring, front-fill/side-fill, rental applications
Elegant and compact cabinet with rugged construction provides a reliable performance on the road
Use in clubs, music venues, corporate spaces, or for mobile DJ setups
12" woofer – delivers a fast and accurate reproduction of the mid-bass frequency range, and controlled deep bass
1.4" titanium compression driver – offers open and natural midrange frequencies, precise high-frequency reproduction, and sound projection. It also features a 3.0" voice coil, and a neodymium magnet; perfect for a crossover point at only 700 Hz – allows for better coverage, dispersion control, and superior efficiency
90°H x 60°V, wide-dispersion horn with constant directivity
Class-D amplifier – 1400W, 2-way peak power
SMPS power supply produces high output and low transportation weight
Connect microphone, mixer, or audio device
Simple to operate plug'n'go design with double input (XLR or 1/4" jack) and one volume knob
131 dB maximum SPL – SPL power remains stable at high levels
45 Hz to 20 kHz frequency response
Reflex port sized to optimize efficiency
Integrated DSP manages full loudspeaker processing, FiRPHASE filters, crossover and EQ, soft limiter, and dynamic bass boost
FiRPHASE proprietary and advanced FIR filtering technology delivers transparent sound, and balanced stereo image
Solid mechanical aluminum structure stabilizes the amplifier during transportation and facilitates fan-less heat dissipation
Cabinet is molded with polypropylene composite material (PP) and designed to dampen vibrations, even at maximum volume settings
Internal reinforcement prevents any deformation of the cabinet
Rear profile design of the cabinet allows speaker to be used as a monitor wedge
Ergonomically designed top and side handles with rubber handgrips – allow to firmly hold the cabinet, and move it easily
Lightweight (at 41.44 lb) design for portability
Steel pole socket for mounting on a stand or on a subwoofer pole
Two M10 and three M6 fittings for flown applications
115-230V operation, user switchable

Acoustical Specifications
Frequency Response	45 Hz to 20 kHz (-3 dB)
Maximum SPL	131 dB
Coverage Angle	Horizontal: 90° Vertical: 60°
Compression Driver	1.4" (35.6 mm), titanium dome (ND840 driver) 3.0" (76.2 mm), neodymium voice coil
Woofer	12" (305 mm) 2.5" (64 mm) voice coil

Input/Output Section
Input Signal	Balanced/unbalanced
Connectors	Input: XLR-F, 1/4" jack female (balanced/unbalanced) Output: XLR-M (balanced)
Input Sensitivity	Line Input: -2 dBu to +4 dBu Mic Input: -32 dBu

Processor Section
Crossover Frequency	700 Hz
Protection	Thermal, RMS
Limiter	Soft limiter
Controls	Volume, boost, mic/line

Amplifier Specifications
Type	Class-D bi-amplification, SMPS
Power	Total: 1400 W peak / 700 W RMS High Frequencies: 400 W peak / 200 W RMS Low Frequencies: 1000 W peak / 500 W RMS
Cooling	Convection
Connections	powerCON

Cabinet
Material	Polypropylene composite (PP)
Mounting Hardware	1 x M10 (top) 1 x M10 (bottom) 3 x M6 (bottom)
Handles	1 x top, with rubber handgrip 2 x side, with rubber handgrip
Pole Mount/Cap	Yes
Grille	Steel
Color	Black

Power Supply
Power	115-230 VAC, 50/60 Hz, user-switchable
Fuse	115 V: T6.3 A L, 250 V 230 V: 3.15 A L, 250 V

Physical Specifications
Dimensions (H x W x D)	25.47 x 14.96 x 14.96" / 647.00 x 380.00 x 380.00 mm
Weight	41.44 lb / 18.80 kg