JBL CSA 2300Z 300-Watt 2-Channel 70V Power Amplifier

JBL CSA2300Z 2 x 300W Commercial Series Power Amplifier

The JBL CSA2300Z is a 2-channel, 300-watt-per-channel Commercial Series amplifier that combines HARMAN engineering with Crown DriveCore™ technology to deliver reliable, energy-efficient power for installed sound systems. Designed for 70V and 100V distributed audio, the CSA2300Z is ideal for retail, hospitality, corporate, and house-of-worship applications where clean sound, simple integration, and rock-solid performance are essential.

• 2 channels × 300 W output for commercial distributed audio systems
• Built-in 70V and 100V operation right out of the box
• Space-saving 2 RU rackmount design
• Energy-efficient amplifier design that supports HARMAN GreenEdge™ initiatives
• Sleep mode disable function for always-on or mission-critical applications
• Sleek industrial look with illuminated rings that make knobs easy to see and use
• Supports JBL CSR-V in-wall volume controllers via CAT5 cable and RJ45 connectors

Powered by Crown’s DriveCore™ technology, the CSA2300Z replaces hundreds of traditional components with a single advanced chip, improving reliability while maintaining superb sonic performance. With support for JBL CSR-V wall controllers over CAT5, the amp integrates seamlessly into modern commercial systems, offering easy zone volume control and flexible installation options.

From background music systems to foreground reinforcement in demanding environments, the CSA2300Z delivers clean power, intuitive front-panel operation, and long-term dependability in a compact 2RU chassis.

Specifications

• Model: CSA2300Z Commercial Series Amplifier
• Rated Power: 300 W per channel into 4 Ω or 8 Ω (1 kHz, ≤ 0.5% THD)
• Number of Output Channels: 2
• Amplifier Technology: Crown DriveCore™
• Insertion Loss (70V & 100V Outputs): 1 dB maximum
• Input Sensitivity (8 Ω Load): Balanced line input: 775 mV_rms; RCA mono sum input: 300 mV_rms
• Frequency Response (8 Ω, 20 Hz–20 kHz): ±1.0 dB (tone controls set flat)
• Total Harmonic Distortion (THD): < 0.5% (at full rated power, 20 Hz–20 kHz)
• Signal-to-Noise Ratio: > 97 dB (ref. rated output, 22 kHz BW, A-weighted)
• Input Impedance (Nominal): Euroblock: 20 kΩ (balanced); RCA: 10 kΩ
• Maximum Input Level: +22 dBu (nominal)
• Crosstalk: < -70 dB (ref. rated power, A-weighted, 1 kHz)
• Tone Controls: Bass ±12 dB @ 100 Hz; Treble ±12 dB @ 10 kHz (per channel)
• Nominal AC Line Voltages: 100 V, 120 V, 220 V, 230–240 V, 50/60 Hz
• Minimum Load Impedance: 4 Ω low-Z output; 12 Ω (70V output); 24 Ω (100V output)
• Operating Temperature/Humidity: 0°C to 35°C @ up to 95% R.H. (non-condensing)
• Storage Temperature: -20°C to 85°C
• Form Factor: 2 RU, 19" rackmount
• Dimensions (W × D × H): 17.0" × 10.8" × 3.5" (432 mm × 274 mm × 89 mm)
• Net Weight (Preliminary): 17.8 lb (8.05 kg)
• Shipping Weight: 20.6 lb (9.35 kg)
• Control Connectivity: RJ45 connectors for JBL CSR-V wall controllers (via CAT5 cable)

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.