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Federal Signal e-Q2B® Electronic Siren with Amplifier

Federal Signal has completely redesigned the e-Q2B® electronic siren to incorporate a 200-watt Class D audio amplifier for increased reliability, smaller footprint, additional feature set and ever lower amp draw. The newly engineered keypad features backlit membrane switches and large rubberized knobs making it easy to use. The e-Q2B® combines Digital Signal Processing to accurately reproduce the distinctive trademark sound of the Q-Siren, with a current draw of only 20 amps.
In addition, the redesigned e-Q2B® is compatible with the Federal Signal Rumbler Intersection Clearing System.

  • Traditional Q-Siren wail, yelp, airhorn, PA and radio rebroadcast, park kill input and horn ring input.
  • Requires (1) 200-watt speaker or (2) 100-speakers to complete the 200-watt system of the e-Q2B. Speakers are not included with this siren!
  • Current draw of 20 amps makes the system ideal for large apparatus, ambulance applications and command vehicles. 
  • Redesigned for increased reliability and improved functionality
  • Features the traditional trademarked Q-Siren sound
  • New keypad features backlit membrane switches with tactile feel
  • New easy-to-read external diagnostics
  • Includes end plate with mounting legs
  • Improved power connector ensures increased reliability and connection strength
  • Smaller footprint

Technical Specs and Approvals

  • Operating Current: 20A
  • Polarity: Negative ground only
  • Operating Temperature: -40C to +65C
  • Standby Current: Less than 0.5A
  • Ship Weight: 13 lbs (6.1 kg)
  • Dim. (H x W x L): e-Q2B® Control: 3.25 in (8.3 cm) x 6.8 in (17.3 cm) x 1.18 in (3.0 cm)
  • e-Q2B® Amplifier: 3.98 in (10.1 cm) x 7.6 in (19.4 cm) x 10.41 in (26.4 cm)
  • Input Voltage: 11-15 VDC

FREE standard shipping for online orders with with an order total of $99 or higher.
$6.95 standard shipping for online orders with an order total of $98.99 or below. Qualifying amount applies to merchandise only. Subject to change without notice. Offer valid for standard shipping within the contiguous United States (some restrictions apply such as shipping to Canada, Alaska, Hawaii, and all other destinations outside the continental United States including APO and FPO addresses are not eligible for this promotion and may incur additional charges). Additional fees apply to haz-mat/chemicals/ aerosols, over sized or unusually heavy items/orders,including but not limited to ladders, fire hose, pepper spray, fire extinguishers, full-size light bars and spike strips. Some vendors are also excluded, view a list of excluded brands here.


Shipping rates apply to all products. Some orders may require additional shipping charges.

Standard Shipping Charges
Charges for addresses in the contiguous United States only.
Order Total Standard 2-Day Air** Next Day Delivery
Up to $25 $8.49 $6.95 $28.48 $33.48
$25.01 to $50.00 $10.49 $6.95 $30.48 $35.48
$50.01 to $98.99 $12.49 $6.95 $32.48 $37.48
$99.00 to $150.00 $14.49 $0 $34.48 $39.48
$150.01 to $200 $16.49 $0 $36.48 $41.48
$200.01 to $250.00 $18.49 $0 $38.48 $43.48
$250.01 to $300.00 $20.49 $0 $40.48 $45.48
$300.01 to $350.00 $23.49 $0 $43.48 $48.48
$350.01 to $400.00 $25.49 $0 $45.48 $50.48
$400.01 to $500.00 $27.49 $0 $47.48 $52.48
$500.01 to $750.00 $31.49 $0 $51.48 $56.48
$750.01 to $1,000 $34.49 $0 $54.48 $59.48
$1,000.01 and over $38.49 $0 Contact us for a quote

Federal Signal e-Q2B® Electronic Siren with Amplifier

Item #: EQ2B-X
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