The RCF TTL 4-A is a high-performance two-way active line array module designed to deliver outstanding sound quality for demanding indoor and outdoor events, covering small to medium-sized areas. Equipped with two Class-D amplifier modules totaling 1600 W RMS, it powers two 10” neodymium woofers and a 1.5” neodymium compression driver tweeter with a 4” voice coil, producing clean, clear, and powerful sound output with a maximum SPL of 135 dB at 1 meter.
With its 100° horizontal by 25° vertical coverage, the TTL 4-A provides excellent directivity control, enhancing intelligibility in complex acoustic environments. The speaker incorporates FiRPHASE technology with linear phase filters (0° rotation), ensuring accurate transient response and tonal balance.
The TTL 4 Series bridges the gap between point source loudspeakers and line arrays, offering sound engineers great flexibility through multiple rigging accessories, selectable presets, and remote control capabilities via integrated RDNet management. Built with Baltic birch plywood and a sturdy steel grille, the cabinet is both durable and lightweight, featuring multiple handles for easy handling and M10/M8 fittings for secure array rigging.
This versatile line array module is a smart choice for touring, theaters, houses of worship, and event production, delivering powerful, controlled, and precise sound reinforcement.
Features
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Maximum SPL of 135 dB
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Two Class D amplifier modules, total 1600 W RMS power
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2 x 10” neodymium woofers with 3.0” voice coil
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Neodymium magnet compression driver tweeter, 1.5” output, 4” voice coil
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Wide 100° horizontal x 25° vertical coverage
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Frequency response from 45 Hz to 20 kHz
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FiRPHASE DSP technology with linear phase filters
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Integrated RDNet networked remote management
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Thermal and RMS protections with fast limiter
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Selectable presets with volume and delay controls
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Convection cooling system
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Baltic birch plywood cabinet with steel grille
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Array fittings for versatile rigging (2x M10 top, 2x M8)
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2 side handles and 2 rear handles for easy transport
Specifications
Frequency Response | 45 Hz – 20,000 Hz |
Max SPL @ 1m | 135 dB |
Horizontal Coverage | 100° |
Vertical Coverage | 25° |
Compression Driver | 1 x 1.5” neodymium, 4.0” voice coil |
Woofers | 2 x 10” neodymium, 3.0” voice coil |
Input Type | Balanced/Unbalanced |
Input Connectors | XLR, RDNet Ethercon |
Output Connectors | XLR, RDNet Ethercon |
Input Sensitivity | +4 dBu |
Overlap Frequency | 900 Hz |
Protections | Thermal, RMS |
Limiter | Fast limiter |
Controls | Selectable preset, volume, delay |
RDNet Control | Onboard |
Amplifier Power | 3200 W Peak / 1600 W RMS |
HF Power | 1200 W Peak / 600 W RMS |
LF Power | 2000 W Peak / 1000 W RMS |
Cooling | Convection |
Power Connections | Powercon IN/OUT |
Cabinet Material | Baltic birch plywood |
Array Fittings | 2x M10 top, 2x M8 |
Handles | 2 side, 2 rear |
Grille | Steel |
Color | Black |
Height | 825 mm / 32.48 in |
Width | 316 mm / 12.44 in |
Depth | 369 mm / 14.53 in |
Weight | 30.4 kg / 67.02 lbs |
Package Height | 410 mm / 16.14 in |
Package Width | 865 mm / 34.06 in |
Package Depth | 365 mm / 14.37 in |
Package Weight | 33.5 kg / 73.85 lbs |
Safety Compliance | CE compliant |
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