NVMA1240-0-US

Product Overview: JBL NVMA1240-0-US

The NVMA1240-0-US is part of JBL’s value-oriented VMA Series of mixer/amplifiers, designed for versatile use in commercial audio environments. Supporting both low-impedance (4Ω, 8Ω) and constant-voltage (70V/100V) speaker systems, it’s a practical solution for installations in growing markets and professional settings worldwide.

Highlighted Features

• 5 input channels feeding a single output with selectable power levels: 60W, 120W, or 240W

• Dedicated bass and treble adjustments on each output

• Compatible with both high (70V/100V) and low (4Ω/8Ω) impedance setups

• Includes built-in chime for paging and priority audio muting

• Fully integrable with JBL CSR-V remote volume controls

• Accepts balanced microphone/line signals and unbalanced RCA audio (0.775V)

• Comes equipped with rack-mounting brackets for easy installation

Technical Details

• Output Power (per channel):

  • 60W (VMA160)

  • 120W (VMA1120)

  • 240W (VMA1240)
    (Measured at 1kHz into 4Ω or 8Ω with ≤0.5% THD)

• Insertion Loss (70V/100V lines): Maximum 1dB

• Inputs: 5 total

• Output: 1

• Tone Adjustment Range:

  • Bass: ±14dB at 50Hz

  • Treble: ±14dB at 10kHz

• Input Signal Requirements:

  • Mic: 5.5 mV RMS

  • Line: 1.3 V RMS

  • RCA (Stereo): 130 mV RMS

• Frequency Range:

  • 4Ω/8Ω: 20Hz to 20kHz, ±2dB

  • 70V/100V: 80Hz to 15kHz, ±3dB

• Harmonic Distortion: Less than 0.5% across 20Hz–20kHz

• Signal-to-Noise Ratio: Greater than 76dB (A-weighted)

• Input Impedance:

  • Mic: 400Ω

  • Line: 20kΩ (balanced)

  • RCA: 50kΩ

• Power Supply: 27V DC