Renkus-Heinz SG or SGX121

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12-Inch Two-Way Complex Conic Loudspeaker Systems

* Passive * Powered * Networked

Sound that makes performances and audiences truly come alive doesn’t come easy. But SYGMA loudspeakers put the power of unique Renkus-Heinz developments like Complex Conic horns to work for you. Optional intelligent amplification, optional Ethernet network signal distribution, control and supervision, versatile enclosure designs and rugged construction help solve your sound reinforcement challenges easily and quickly.

Design Without Boundaries - Performance Without Limits

The global SYGMA development and manufacturing process delivers unsurpassed quality and innovation, for performance and style that will make you proud and durability that will keep you sounding great. Before we’ll ship them, your loudspeakers have to meet our exacting requirements.

PF Series Intelligent Digital Amplifiers can connect to RHAON, the Renkus-Heinz Audio Operations Network. RHAON gives you complete control of digital audio distribution, loudspeaker processing and system management.

* The SG121-52R is RHAON Empowered with 500/200 W amplification.

* The SG121-5R is RHAON Empowered with 500 W amplification.

* The SG121-2R is RHAON Empowered with 200 W amplification.

* The SG121-5 is self-powered with 500 W amplification.

* The SG121-2 is self-powered with 200 W amplification.

* The SGX121 is unpowered, for use with external amplification.

* Compact Multi-Function Design

Outstanding, full-range ±3 dB, 65Hz to 18 kHz performance in a versatile multi-angle enclosure.

* Flexible Input Configurations

Choose passive inputs, or go self-powered with the PF1-200 series intelligent amplifier, either with or without RHAON net working.

* RHAON Audio Operations Network

Self-Powered SG121 cabinets are easily connected to RHAON for flexible digital signal distribution, loudspeaker management and control using standard Ethernet hardware and cabling.

* Exclusive 90° by 60° Complex Conic Design

Provides constant beamwidth/directivity without the problems of conventional rectangular horns, can be rotated 90° within the cabinet for wide or deep listening spaces.

* 2-inch Extended Range Titanium HF Driver

Provides smooth, low distortion high frequency performance to 18 kHz and beyond.

• Heavy-Duty 12-inch Woofer

Easily handles 500 Watts of program power.

PF Series Intelligent Amplifiers

Passive, powered or networked, you can choose the system configuration that meets your needs at any time. At the factory or in the field, the SGX passive connector plate can be easily replaced by one of five PF Series intelligent Class D digital amplifiers.

The PF series light weight switching power supplies are over 70% efficient at full output. Their high efficiency reducing AC power requirements and eliminating the need for a cooling fan.


Whenever you are ready for Ethernet audio networking, your Sygma loudspeakers are too. Just replace the connector plate or the PF1-200 with a RHAON empowered amplifier equipped for connection to the Renkus-Heinz Audio Operations Network. RHAON empowers you with full control over digital audio distribution, loudspeaker-specifi DSP and control/monitoring – all using standard Ethernet hardware and cable.

If you need an outstanding high-power 12-inch 2-way system, order the SGX121 or SG121-5. For full range near field applications, the SG121-2 with a 200 Watt PF1-200 is a logical choice. For stage monitoring and other ultra-demanding applications, order the SG121-52R: it’s bi-amped with 500 / 200 watt Class D amplifiers and RHAON empowered. If you need Ethernet-based audio operations networking, order the SG121-2R, SG121-5R or the SG121-52R; all are RHAON empowered.


Virtually any installation where size is a critical issue and outstanding sonic performance is required.

* Ideal for many side and front fill applications; mounts inconspicuously on walls or ceilings, stage lips, under and over balconies, etc.

* Foreground music systems in shopping malls, retail stores, offices, etc.

* Multi-channel playback systems in dance clubs (with optional subwoofers), compact floor monitors, cue loudspeakers for live mixing, etc.




A Functional & Future-Proof Design For Toronto FC’s Kia Training Ground & Academy

Toronto, Canada | March, 2015 - It's a principle that applies to virtually any industry – cultivating talent, in most cases, reaps significantly greater rewards than simply purchasing it. It was with this very principle in mind that, in the second half of 2011, Maple Leaf Sports and Entertainment (MLSE) announced plans to build its $21 million Toronto Football Club Kia Training Ground & Academy at the city's Downsview Park for its soccer franchise.