Cinema managers and integrators looking to maximize their power investment and future-proof their systems will be thrilled with the DSi-Series SA4, a 350W 4-channel power amplifier that’s designed for JBL cinema loudspeakers offering outstanding quality and performance in a rack-mountable enclosure.

The amplifier features a remarkable 96 kHz/32-bit digital signal processing with delay, 8-band parametric EQ, crossovers, FIR processing, LevelMAX limiting, and more. The integrated DriveCore technology incorporates hundreds of amplifier components into a single chip for superior efficiency and reliability. With its updated design, the SA4 allows for high power output at 2 ohms, enabling up to four surround speakers to be powered by a single channel. There are built-in cinema speaker tuning presets that match all JBL cinema loudspeakers for optimal performance, protection, and easy deployment.

The font panel features an LCD and encoder to configure amplifier settings and mute channels at the touch of a button. The rear panel provides four analog inputs via two Euroblock connectors and two terminal strip speaker outputs to connect up to four speakers. A HiQnet (RJ45) port allows the amplifier to connect with HARMON Audio Architect control software over a standard TCP/IP network. A GPIO/AUX port allows you to externally recall presets, mute channels, monitor amplifier health and power the amplifier on or off.

Features

96 kHz/32-bit floating-point processing with FIR filtering, LevelMAX limiting, 8-channel parametric EQ, delay, and more, eliminating the need for an external speaker processor
SA4-D, MA4-D, and LA4-D models include Dante/AES67 support for seamless integration with Dolby Atmos Connect and other interfaces
Crown DriveCore technology replaces hundreds of amplifier parts with a single chip, for superior efficiency and reliability
Four channels with bridgeable outputs to easily power JBL’s entire range of cinema speakers
New amplifier design allows for high power output at 2 ohms, enabling up to 4 surround speakers to be powered by a single channel
Built-in JBL cinema speaker tuning presets match all JBL cinema loudspeakers for optimal performance, loudspeaker protection, and accelerated deployment
SNMP to interface with third-party Theater Management Systems (TMS) and cinema control (NOC) systems
HiQnet port to interface with HARMAN Audio Architect control software over a standard TCP/IP network
Externally recall presets, mute channels, monitor amplifier health and power on and off through a combined GPIO/AUX port
Intuitive front-panel LCD and encoder to configure amplifier settings and mute channels at the push of a button
Ultra-Quiet operation: 51 dBA maximum fan noise
Standard 19″ 2 RU chassis
International power supply

Remarkable DSP

DSi 2.0 amplifiers feature best-in-class, 96 kHz/32-bit floating point internal processing with delay (up to 1000 ms), 8-band parametric EQ, crossover, FIR processing, LevelMAX limiting, and more, eliminating the need for an external processor.

High Power Density

Crown’s patented DriveCore technology seamlessly integrates the amplifier drive stage into the power output stage, fusing everything into one powerful chip to deliver greater efficiency, reliability, and performance. Using DriveCore, DSi 2.0 amps deliver greater power density than traditional designs, offering 4 channels of amplification with bridgeable outputs in a single 2 RU footprint. Using high-output 2-ohm mode allows powering of up to 4 surround speakers from a single channel.

JBL Speaker Tunings

Built-in JBL cinema speaker tuning presets manage voltage and frequencies delivered to transducers, maximizing system efficiency, and optimizing audio signal quality while preventing equipment damage and accelerating deployment.

Remote Monitoring and Management

SNMP connectivity for interfacing with third-party theater management systems and Cinema Control (NOC) systems for remote status and fault monitoring. A HiQnet port provides access to HARMAN’s Audio Architect software, for controlling, configuring, and monitoring amplifier operation through a standard TCP/IP network. A combined GPIO/AUX port can be used to externally recall presets, mute channels, monitor amplifier health, and power the amplifier on and off.

Specifications

Amplifier

Number of Channels	4
Power Rating	8 Ohms: 350 W Peak per Channel (1 kHz, 0.5% THD) 4 Ohms: 700 W Peak per Channel (1 kHz, 0.5% THD) 2 Ohms: 1050 W Peak per Channel (1 kHz, 0.5% THD) 8 Ohms: 1300 W Peak Bridged (1 kHz, 0.5% THD) 4 Ohms: 2200 W Peak Bridged (1 kHz, 0.5% THD)
Load Impedance / Voltage	2 / 4 / 8 Ohms per Channel

Performance

Frequency Response	20 Hz to 20 kHz ±0.5 dB (4 Ohms)
Damping Factor	> 1000
Input Impedance	70 Kilohms (Balanced) 35 Kilohms (Unbalanced)
Max Gain	32.5 dB
Max Input Level	21 dBu
SNR	> 100 dB
THD	0.35% (20 Hz to 20 kHz, at Rated Power)
Intermodulation Distortion	≤ 0.35%
Crosstalk	> 80 dB (20 Hz to 1 kHz, Below Rated Power)
CMRR	> 70 dB

Signal Processing

Sample Rate	Up to 96 kHz
DSP	32-Bit Floating Point DSP at 96 kHz
Audio Delay	Adjustable Up to 1000 ms per Channel
Crossover	Yes
EQ	8-Band Parametric EQ per Channel
Limiting	Yes

Connectivity

I/O	2 x Block 6-Pin Balanced Line Input 2 x Barrier Strip 4-Pin Speaker Output 1 x Block 8-Pin GPIO Input/Output
Digital I/O	1 x RJ45 Ethernet Input/Output (Control, Network)

Power

AC Input Power	100 to 220 VAC, 50 / 60 Hz
AC Power Connector	1 x IEC

Physical

Display & Indicators	1 x Blue LCD (Backlit)
Rackmount Size	2 RU
Cooling	Fan (Variable Speed)
Dimensions	19.0 x 3.5 x 17.2″ / 482.6 x 88.9 x 436.9 mm
Weight	23.1 lb / 10.5 kg

JBL Cinema DSi 2.0 Series SA4 350W 4-Channel Amplifier

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JBL Cinema

JBL Cinema DSi 2.0 Series SA4 350W 4-Channel Amplifier

AED8,598

100% Original JBL Cinema Product

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SKU: SA4 Category: JBL Cinema Loudspeaker

Description

Number of Channels	4
Power Rating	8 Ohms: 350 W Peak per Channel (1 kHz, 0.5% THD) 4 Ohms: 700 W Peak per Channel (1 kHz, 0.5% THD) 2 Ohms: 1050 W Peak per Channel (1 kHz, 0.5% THD) 8 Ohms: 1300 W Peak Bridged (1 kHz, 0.5% THD) 4 Ohms: 2200 W Peak Bridged (1 kHz, 0.5% THD)
Load Impedance / Voltage	2 / 4 / 8 Ohms per Channel

Frequency Response	20 Hz to 20 kHz ±0.5 dB (4 Ohms)
Damping Factor	> 1000
Input Impedance	70 Kilohms (Balanced) 35 Kilohms (Unbalanced)
Max Gain	32.5 dB
Max Input Level	21 dBu
SNR	> 100 dB
THD	0.35% (20 Hz to 20 kHz, at Rated Power)
Intermodulation Distortion	≤ 0.35%
Crosstalk	> 80 dB (20 Hz to 1 kHz, Below Rated Power)
CMRR	> 70 dB

Sample Rate	Up to 96 kHz
DSP	32-Bit Floating Point DSP at 96 kHz
Audio Delay	Adjustable Up to 1000 ms per Channel
Crossover	Yes
EQ	8-Band Parametric EQ per Channel
Limiting	Yes

I/O	2 x Block 6-Pin Balanced Line Input 2 x Barrier Strip 4-Pin Speaker Output 1 x Block 8-Pin GPIO Input/Output
Digital I/O	1 x RJ45 Ethernet Input/Output (Control, Network)

AC Input Power	100 to 220 VAC, 50 / 60 Hz
AC Power Connector	1 x IEC

Display & Indicators	1 x Blue LCD (Backlit)
Rackmount Size	2 RU
Cooling	Fan (Variable Speed)
Dimensions	19.0 x 3.5 x 17.2″ / 482.6 x 88.9 x 436.9 mm
Weight	23.1 lb / 10.5 kg

Additional information