Compact Four-Inch Coaxial Two-Way Loudspeaker (Non-Powered)

Sound that makes performances and audiences truly come alive doesn’t come easy. But C Series loudspeakers put the power of unique Renkus-Heinz developments to work for you. Versatile enclosure designs, go-anywhere hardware and rugged construction help solve your sound reinforcement challenges easily and quickly.

Every C Series loudspeaker is engineered by Renkus-Heinz to unrivaled standards of quality and innovation. Before we’ll ship them, your loudspeakers have to meet our exacting requirements for performance that will make you proud and durability that will keep you sounding great.

Compact Size, Commanding Performance

• Outstanding Performance, Miniaturized Enclosure
100 Hz to 20 kHz ±3 dB: Outstanding, full range performance in a miniaturized, space-saving design.

• 4-inch Extended-Range Coaxial Transducer
Delivers the full frequency spectrum with accuracy and balance, easily handles 50 Watts of program power.

• 4-inch High Performance Woofer
With treated fiber cone and supple Butyl surround offers excellent transient response.

• 1-inch Extended Range Soft-Dome Tweeter
Provides smooth, low distortion high frequency performance to 20 kHz and beyond with minimal high frequency beaming.

• Advanced Crossover Network
Maintains time alignment through crossover, assuring point-source behavior.

• Vented Enclosure
Maximizes low frequency response and tonal balance.


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

Ideal for fills, delays and effects in both distributed and playback systems in:

Performing Arts Centers
Sports venues
Board rooms
Transportation Venues
Retail Environments


Technical Information

Sensitivity: 89 dB (1W/1m)
Maximum SPL: 109 dB peak
Dispersion: 150° H x 150° V
Frequency Response: ± 3 dB, 100 Hz to 18 kHz
Transducer: 4″ coaxial with a 4″ treated fiber cone woofer and a 1″ domed tweeter; 25 W RMS @ 16 Ohms, 50 W pgm, RH model SSL4-12
Enclosure: Hardwood, perforated metal grille
Power Rating: 25 W AES @ 16 Ohms
50 W Pgm @ 16 Ohms
Connectors: Screw terminals & looping 4-pin Neutrik Speakon style connectors
Finish: Black or White Paint
Hardware: U-bracket attachment points
Dimensions: 6″ H x 7″ W x 6″ D
(15.2 cm x 17.8 cm x 15.2 cm)
Weight: 4.8 Lbs (2.18 Kg) Net