Studio 520C

The Studio 520C center channel speaker shares a critical design characteristic with the massive JBL® Professional loudspeakers you hear movie theaters and concert venues, as well as with our most advanced residential speaker systems – a controlled-directivity compression drivers in a horn that delivers delicate high-frequency sound and live music experience to your ears with minimum interaction with walls and furniture. Designed by JBL chief engineer Greg Timbers, who also developed the acclaimed Everest DD6000, K2 and Project Array systems, the 520C features a 1-inch (25mm) HF compression driver and Bi-Radial horn with dual 4-inch (100mm) cast-frame Symmetrical Field Geometry (SFG) woofers for crisp movie dialogue and effects with dynamic realism and dimensional accuracy that closely duplicates the experience of a live performance. Engineered and voice matched to other speakers in the JBL Studio 5 Series, the Studio 520c center channel systems is powerful, accurate and styled to make a dramatic design statement in any listening environment.


  • Dual 4″ (100mm) Low-Frequency Transducers
  • 1″ (25mm) High-Frequency Compression Driver
  • Glass-filled ABS Bi-Radial High-Frequency Horn
  • 5/8″ (16mm) MDF Enclosure
  • Low loss, 2-way crossover network
  • Exclusive Design
  • Rear-facing bass port increases output and extends bass response
  • Dual gold-plated binding posts with bi-wire capability increases connection options
  • Available in black or cherry finishes


Print Specifications
DescriptionDual 4″ Center Channel Loudspeaker with High-Frequency Compression Driver in a Horn and Classic JBL® Bass
Frequency Response60Hz – 40kHz (–6dB)
Recommended Amplifier Power150 watts
Sensitivity (2.83V @ 1m)88dB
Nominal Impedance6 ohms
Crossover Frequencies (Hz)1.5kHz
High-frequency Drive Components1″ (25mm) compression driver with neodymium magnet and one-piece Teonex® diaphragm on a glass-filled ABS Bi-Radial® horn, magnetically shielded
Low-frequency Drive ComponentsTwo 4″ (100mm) PolyPlas™ cone with SFG magnet structures, cast frames and rubber surrounds, magnetically shielded
Enclosure MaterialMDF Enclosure
Enclosure TypePorted
Input ConnectionsDual gold-plated binding posts (bi-wire-capable)
Height6-3/4″ (172mm)
Width21-7/8″ (555mm)
Depth6-5/8″ (168mm)
Weight16.6 lb (7.5kg)
FinishesBlack or Cherry