TCL

TCL Alto 8i 2.1 Channel Sound Bar Built-in Subwoofer Renewed

4.1 (401 reviews)

A 2.1-channel sound bar with dual built-in subwoofers and Dolby Atmos that delivers 185 watts of immersive home theater audio.

$109.99*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The TCL Alto 8i is a 2.1-channel sound bar designed to deliver a meaningful audio upgrade in a single, self-contained unit. Its standout feature is the pair of built-in subwoofers, which produce deep, room-filling bass without requiring a separate wireless subwoofer box — an advantage for anyone who wants cleaner setups and fewer components. With 185 watts of total output power and Dolby Atmos processing, the Alto 8i creates a surprisingly expansive soundstage for a single-bar system, adding height and depth cues that make action scenes and music feel more immersive.

Connectivity is straightforward: HDMI ARC and optical inputs handle TV audio, while Bluetooth allows wireless music streaming from phones and tablets. Roku TV owners get an optimized experience — the sound bar integrates directly with the Roku interface for simplified setup and volume control through a single remote. Three specialized sound modes (Movie, Music, and TV) let you quickly adjust the audio profile to match your content. As a renewed unit, the Alto 8i offers the same feature set at a lower price point, making it an accessible entry into better home audio for anyone looking to move beyond flat, tinny TV speakers.

Key Features

Dolby Atmos Surround Sound: Multi-dimensional sound for greater depth and excitement.

Deep Bass with Dual Built-in Subwoofers: Experience deep, rich bass to make movies and music truly come to life.

Roku TV Ready: Optimized for Roku TV for simple set up and control.

Stream Music Wirelessly: You can use your Bluetooth-enabled device to wirelessly stream music on your sound bar.

Specialized Sound Modes: Specialized sound modes bring Movies, Music, and TV to life.

Included components: Remote Control

Output wattage: 185.0 watts

Power source type: Corded Electric

Specifications

Brand
TCL
Model
Alto 8i
Channels
2.1
Total Output
185 watts
Subwoofer
Dual built-in
Audio Format
Dolby Atmos
Bluetooth
Yes
Roku TV Ready
Yes
Sound Modes
Movie, Music, TV
Power Source
Corded Electric
Included Accessories
Remote Control
Condition
Renewed

Pros & Cons

👍 Pros

  • Dual built-in subwoofers eliminate the need for a separate subwoofer box, saving space and reducing cable clutter.
  • 185 watts of total output power is strong for a single-bar system in this price range.
  • Dolby Atmos support adds a convincing sense of spatial depth to movies and shows.
  • Roku TV Ready integration allows simplified setup and unified remote control for Roku TV owners.
  • Bluetooth connectivity lets you quickly stream music without any wired connection.

👎 Cons

  • As a 2.1-channel bar, it cannot deliver true rear surround separation like a 5.1 or 7.1 system.
  • The built-in subwoofers, while convenient, cannot match the low-end extension of a dedicated external subwoofer.
  • No Wi-Fi connectivity limits streaming to Bluetooth only, with no support for AirPlay or Chromecast built-in.
  • Remote control is the only included accessory — no HDMI or optical cables are bundled in the box.
  • Renewed condition means minor cosmetic wear may be present on the unit.

Frequently Asked Questions

No. It has dual subwoofers built directly into the sound bar, so you get deep bass without needing an external subwoofer unit or extra cables.
You can connect via HDMI ARC, optical cable, or Bluetooth. If you have a Roku TV, the sound bar is optimized for seamless setup and control through the Roku interface.
The Alto 8i includes dedicated Movie, Music, and TV sound modes, each tuned to optimize the audio profile for that type of content — emphasizing dialogue clarity for TV, spatial effects for movies, and balanced output for music.
Yes. The Alto 8i supports Bluetooth wireless streaming, so you can play music directly from any Bluetooth-enabled phone, tablet, or computer.
Dolby Atmos processing on the Alto 8i creates a multi-dimensional sound effect that simulates height and surround channels, adding greater depth and spatial presence even without physical rear or ceiling speakers.