Sonic is a telecommunications company and internet service provider founded in 1994 and is based in Santa Rosa, California, It offers regional internet service with a fiber-optic network in the San Francisco Bay Area, Sacramento, and Los Angeles. Sonic offers fiber-optic internet, IP broadband and DSL internet.

Sonic's fiber-optic internet service offers speeds up to 10 gigabits. Sonic's fiber connection uses light to transmit data, which is faster and more reliable than legacy technologies that use copper phone lines. Sonic's gigabit fiber service provides speeds up to 40 Mbps for $49.99 per month, with phone service available for an additional $10 per month.

Sonic markets itself as America's fastest and most affordable internet service. it’s not a future guarantee but does invite comparison. So, if you live in the service area for Sonic shop around. Sonic may be the best deal going but it pays to educate yourself.

Sonic offers fiber-optic, DSL, and cable internet plans, with speeds ranging from 15 Mbps to 1000 Mbps. Overall Sonic provides good internet service with above-average speeds and strong performance. PC magazine named Sonic the fastest and best gaming ISP in the US in 2022.

Sonic's fiber-optic internet can deliver up to 10 Gigabits of speed, which is faster than the competition. Sonic's starting price for 1 gig is $49.99/mo.

Sonic provides residential Gigabit Fiber Internet customers with an Optical Network Terminal (ONT) for free. The ONT functions as an Analog Telephone Adapter (ATA), a router/firewall, and a Wi-Fi access point. Customers can BYO their own Wi-Fi router and in some cases, their own modem, depending on the service they're getting. For example, Sonic Gigabit Fiber uses an Adtran 411 as the ONT solution and that includes modem functionality. Customers on the Fusion X1 and Fusion X2 plans will need a Wi-Fi router. The Fusion IP Broadband plan requires the rental of an AT&T modem and an analog telephone adaptor (ATA). You can find your wireless information on the side panel of your Sonic provided gateway.

Using your own router for Fiber may result in the loss of some functionality including support. If you have a modem/router combo device, you can put that device in bridge mode for the best network performance.

There's a mandatory equipment fee for the modem/router and the analog telephone adapter for Fusion IP Broadband.

Sonic begins installation by pulling fiber from its pull-box vault, a protected enclosure for its network components. The fiber cable is pulled to the side of your home via an underground conduit. Sonic then typically installs the ONT on the side of your home or garage. The ONT is a go-between for the fiber network and your home. The ONT converts the fiber signal to separate signals for TV, voice and data. Installation is typically about 90 minutes but it can last as long as 4 hours depending on the current condition of your Ethernet and telephone jacks.

Sonic offers a plan for customers served by AT&T's fiber network, which offers speeds up to 940 Mbps and a voice line for $60 per month. If you are outside either AT&T's or Sonic's fiber service area you may still be able to get DSL service. DSL is a type of high-speed internet connection that uses copper phone lines to send and receive internet data and traffic. You need a DSL modem and these plug into phone jacks unless your computer has one built-in. Of the main broadband options: cable, fiber optic, wireless and satellite, DSL is typically the slowest.

Sonic fiber internet provides speeds up to 10 Gigabits with unlimited, uncapped data, and no contract for $49.99 with free installation. Taxes and other fees are not included. Phone service is available for an additional $10 per month on most internet plans from Sonic. Sonic Fiber-optic Internet offers symmetric speeds up to 10 Gigabits. Symmetrical speeds mean download and upload speeds are equal. For example, if your upload speed is 1Gbps, your download speed will also be 1Gbps. Symmetrical connections provide the fastest speeds possible for users who upload a lot of files.