Drawmer SP2120 Speaker Protector

  • Item # 1005089
  • Model # SP2120

Step 1: Insert key to unlock front panel and adjust VU meter preset until the peaks of the incoming audio illuminate the red endstop 0dB LEDs. Step 2: Adjust max output level preset until sound syste… Learn More


Reserve Now! This item is backordered but it is available to reserve now. You will not be charged until the item ships.

Ship to Store

2-7 business days

Sound system protection in two easy steps.


  • Key Holder access only
  • Takes only minutes to install
  • Dual 16 segment Left/Right bargraphs for 'at a glance' level metering
  • 'Protection' processing 16 segment bargraph display
  • No sound quality loss even during heavy protection processing
  • Once installed and calibrated completely eliminates the possibility of 'unauthorized' volume levels
  • Eliminates sound system abuse and the resulting cost of chassis speaker re-cones, HF diaphragm replacements and amplifier repairs
  • Reduces 'call-out' costs of sound system service/repair engineers
  • Reduces sound system 'down time' and the consequential loss of venue income
  • Isolation transformer output option

Technical Specification

Drawmer SP2120 Speaker Protector

  • Crosstalk: >90dB at 20kHz
  • Noise: -99dB (Unity gain ref +4dBu/22Hz-22kHz)
  • Output Impedance: 100 Ohms
  • Output Level: Variable. Infinity to +14dBu
  • Balance: >40dB (22Hz-22kHz)
  • Input Impedance: 30K Ohms
  • Max Input Level: +27dBu
  • CMR: >40dB (22Hz-22kHz)
  • Balanced XLR in/out. Pin 1 screen (earth), Pin 2 + (positive), Pin 3 - (negative)
  • Isolation Transformer option for Output stage