How to Set Up Your Sega Genesis Console with 2 Controllers

By Game Cops | Published: 2026-10-22

Category: How-to Guides

Learn how to connect your Sega Genesis first model to a TV, plug in two controllers, and avoid common setup mistakes for a smooth retro gaming experience.

Quick Answer

To set up your Sega Genesis first model, connect the A/V cables to your TV, plug in the power adapter, attach two controllers, and power on the console. Follow the steps below for a hassle-free setup.

Why the First Model Setup Differs

The original Sega Genesis (model MK-1601) uses a different A/V output than later revisions. It has a proprietary DIN connector on the back, so you'll need the correct A/V cable that matches that port, not the standard RCA jacks found on some other models.

The console's power requirements also differ from later models. Always use the power adapter that came with your unit or one that matches its exact voltage and polarity, as using the wrong adapter can damage the system.

What You Need Before You Start

Before you begin, make sure you have the console, two controllers, the power adapter, and the A/V cable. If you purchased a bundle that includes aftermarket controllers and cables, verify they are compatible with the first model's ports.

Check that your TV has the right input for the A/V cable. Older TVs may have composite inputs, while modern TVs might require an adapter or a different connection method.

Step-by-Step Setup Guide

Unpack and inspect the console: Remove the Sega Genesis console from the box and check that it has no visible damage. Confirm you have the two controllers, power adapter, and A/V cables. If any cable is missing or damaged, don't proceed; contact the seller for a replacement.
Connect the A/V cable to the console: Plug the A/V cable into the DIN connector on the back of the console. Make sure it's fully inserted and secure. A loose connection can cause a fuzzy picture or no signal.
Connect the A/V cable to the TV: Plug the other end of the A/V cable into the corresponding input on your TV (usually yellow for video, red/white for audio). Note which input number you use. Remember the input number so you can select it later.
Plug in the power adapter: Connect the power adapter to the console's power port, then plug it into a wall outlet. Ensure the adapter matches the console's voltage and polarity. Using an incorrect adapter can fry the console; always double-check specifications.
Connect the two controllers: Insert each controller cable into the two controller ports on the front of the console. Push firmly until they click into place. If a controller isn't working, reseat it—loose connections are common.
Power on and test: Turn on your TV and select the input you connected the console to. Flip the console's power switch to ON. You should see the Sega logo and hear audio. If there's no signal, check all connections and try a different input.

Product Facts

2-CONTROLLERS Original SEGA GENESIS Console MK-1601 Video Game System 1st Model: This bundle includes an original Sega Genesis 16-bit console, two new aftermarket controllers, a new aftermarket power adapter, and new A/V cables. Everything you need for setup is included, so you don't have to hunt for compatible accessories.
2-CONTROLLERS Original SEGA GENESIS Console MK-1601 Video Game System 1st Model