Skip to content
Skip to product information
1 of 7

Crescendo Audio Symphony S4 4 Channel Amplifier

$299.99 USD
$299.99 USD
Sale Sold out
Shipping calculated at checkout.

Free Lanyard and Stickers With Every Purchase

Full Manufacturer Warranty On All Products

  • Multiple Financing Options
  • Expert Support Before and After Purchase
  • Free Shipping On Orders $75+
  • Full Warranty On Every Product

About the Product

Symphony S4 Full Range Class D Amplifier

The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals!

The S4 is rated for a total of 880w of clean RMS output!
Efficient design only requires the use of 4 gauge power and ground cables.
New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low.
Built in 18db/Slope crossover network grants precise adjustment of your system's needs and features LPF/HPF & Bandpass and allows
the user to control the frequency points up to 8khz!
2ch/4ch selector switch (No RCA splitters will ever be needed)
All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout.
Input signal transfers cleanly to the board via the Tiffany style RCA input jacks.


S4 Rated Power output @ 13.8v (RMS):

2ohm: 220w x4
4ohm: 140w x4
Bridged 4ohm: 440w x2

S4 Dimensions: 8.5"L x 7.6"W x 2.5"H
80a to 100a fuse for the power input suggested

Free shipping in the continental USA.

Free shipping is available in the continental United States, excluding Hawaii and Alaska.

International shipping is available and calculated at checkout.

All orders will receive tracking once shipped through USPS, Fedex, UPS, and DHL.

Return for refund within: 30 days

Return for replacement within: 30 days

Standard Return Policy Overview

You may return merchandise purchased from Showtime Electronics for a refund or a replacement, provided that the procedures and requirements are followed. All returns require a return merchandise authorization (RMA) number. An RMA number must be issued within 30 calendar days after the date of purchase. An RMA number is valid for 14 calendar days after it is issued. Once you log in to your user account, you will be able to Request and RMA. In addition, you can also request an RMA at the bottom of our homepage. If you have any issues, please email us at sales@showtimeelectronics.com

View Product Details
You might like
×

Please wait...

Make An Offer

Descriptive image text
Descriptive image text
×

Offerly Support

Don't fret! This pop up only shows up in Shopify Editor Mode. Offerly could not find your add to cart button! This can happen for one of the following reasons:

    1. This product is sold out.
      To solve this please navigate to a different product!

    2. Your Theme is custom or uses different text for the "Add to Cart" button.
      If this is the case, please contact support and we will add support for your theme!