JBL CSMA 180 Commercial Series Mixer/Amplifier

JBL CSMA 180 Commercial Series Mixer/Amplifier

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SKU: JBLCSMA180 Category:
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JBL CSMA 180 Commercial Series Mixer/Amplifier is designed for commercial/industrial use, and is capable of reaching 80W of peak power with 10W per channel. The unit’s front panel sports volume controls for each channel, as well as a master volume adjustment knob, bass and treble controls, and a power switch. The volume controls are illuminated so they can be seen and operated in darkened environments.

Capable of driving both eight and four Ohm loads, the amplifier can be used with 70V and 100V distributed audio systems without the need for a separate transformer. On its back panel you’ll find the mic/line inputs, unbalanced RCA inputs, speaker connections, Hi-Z and phantom power switches, and more. The unit is also equipped with a RJ45 connector for use with JBL CSR-V in-wall volume controls (available separately).

The CSMA 180 boasts such features as voice activating ducking (useful for paging over background music), priority muting for channel one’s input, and a sleep mode which automatically powers down the unit when no audible signal has been received for longer than 30 minutes. Also, with an auxiliary output, you may connect to an additional amplifier, though the master volume and tone controls will have no bearing on the resulting signal.


4 inputs with 1 output of 80-watt of power

Ideal for commercial and industrial use

Fanless, space-saving 1U design

Sleek industrial look with illuminated rings, making them easy to see and operate

Euro-block type mic/line input connectors and output connectors

Independent Bass and Treble controls for each output channel

Supports 70V and 100V distributed audio systems without the need for a separate transformer

Remote volume control capability using JBL CSR-V module and standard Ethernet cable

Priority muting

Configurable output routing

Utilizes Crown’s DriveCoreTM technology providing excellent audio performance with high efficiency

Manufactured to lead-free ROHS standards, utilizing recycled metals, and using an energy-saving powder coat process

Includes rack mounting kit

Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment

Energy Star Certified


Maximum Output Power: 80 W per channel into 4 Ohms or 8 Ohms, 1 kHz, ≤ 0.5% THD

Insertion Loss:1 dB maximum for 70 and 100 V outputs

Continuous Power: 10 W per channel

Line Output Level: 5.0 V RMS into 10 kOhms

Input Sensitivity

To obtain full rated power at 8 Ohms (or 5 VRMS to line output)

Mic Input: 3 mV RMS

Line Input: 775 mV RMS

RCA Input: 300 mV RMS

Number of Channels

Input: 4

Output: 1

Frequency Response

Measured at 2.83 V RMS into rated load impedance at any output

4/8 Ohms Output: 20 Hz – 20 kHz, ±2 dB

70 V/100 V Outputs: 80 Hz – 15 kHz ±2 dB

Line Out: 20 Hz – 20 kHz, ±1 dB

Total Harmonic Distortion (THD)

Power Amplifier Output: <0.5%, 20 Hz to 20 kHz

Line Output: 0.05% typical

Signal to Noise Ratio: > 90 dB

Nominal Input Impedance

Mic: 400 Ohms

Line: 20 kOhms (balanced)

RCA: 50 kOhms

Minimum Load Impedance

Low Impedance Output: 4 Ohms

70 V Output: 60 Ohms

100 V Output: 120 Ohms

Crosstalk: -70 dB @ 1 kHz


Front Panel:

4 x Input level rotary knob

1 x Output volume attenuator, rotary knob

1 x Power switch

1 x Bass potentiometer

1 x Treble potentiometer

Rear Panel:

1 x Hi-Z switch

1 x Phantom power switch

4 x Mic/Line selector switches

1 x VOX adjustment


Front Panel:

4 x Input signal presence ring, green

1 x Output volume ring, green

1 x Power switch ring, green/blue


Rear Panel:

1 x IEC power input

1 x 5-pin amplifier output

1 x 3-pin auxiliary line level output

1 x RJ45, remote volume

3 x 3-pin Euroblock Mic/Line input

3 x Dual RCA stereo input

1 x 5-pin Euroblock Priority input

Operating Temperature / Humidity: 32 to 95°F / 0 to 35°C, 95% RH (non-condensing)

Storage Temperature: -4 to 185°F / -20 to 85°C

Phantom Power: 27 VDC

AC Input: 100 to 240 VAC, 50/60 Hz

Dimensions (W x D x H): 8.6 x 11.9 x 1.7″ / 21.9 x 30.3 x 4.3 cm

Weight: Approximately 6.8 lb / 3.1 kg

Weight 12 lbs