Video automation Video API Convert JSON to video Text-to-speech voices
ElevenLabs voice

CassioSerious and Intimidating

A middle-aged Brazilian male voice with a light tenor timbre. Perfect for excited phone conversations.

Voiceovers free to try · no credit cardTone: Casual
Sample by ElevenLabs
Free account, no credit card. Up to 60 seconds on the free plan.
#168of 597 Portuguese voices
10.1Mcharacters generated last year
6kElevenLabs users added it
1verified languages

Similar voices

Portuguese male voices with a close tone.

Kaique
Poetic, Soft and Gentle
Portuguese · BrazilianMaleMiddle aged
#63 of 597 Portuguese
Thiago
Natural and conversational
Portuguese · BrazilianMaleMiddle aged
#144 of 597 Portuguese
Fernando
Normal male voice without many mannerisms.
Portuguese · BrazilianMaleMiddle aged
#266 of 597 Portuguese
Make your voiceover with Cassio

Type your script and get the voiceover in about a minute. Free account, no credit card.

Create voiceover — free

About Cassio

A middle-aged Brazilian male voice with a light tenor timbre. Perfect for excited phone conversations.

Cassio is the #168 most used Portuguese voice in the ElevenLabs library, out of 597. People generated 10.1M characters with it in the last year, and 6k ElevenLabs users added it to their voices. It was published in March 2025.

Best for: conversational.

Provider
ElevenLabs
Language
Portuguese · Brazilian
Gender
Male
Age
Middle aged
Tone
Casual
Published
Mar 2025
Models
Multilingual v2, Flash, v3 (paid)
Voice ID
Jx7J2Fi5Ssla82TsW3YE

Questions about Cassio

Can I make a voiceover with Cassio for free?

You can try it with a free JSON2Video account, no credit card: free voiceovers are up to 60 seconds. Paid plans remove the limit.

Can I use my Cassio voiceovers on YouTube or in ads?

Yes. You can publish the voiceovers and videos you make with Cassio on YouTube, TikTok, podcasts and ads, and use them in commercial projects.

Which languages can Cassio speak?

Cassio is a multilingual ElevenLabs voice: with the Multilingual v2 model it can read text in 29 languages and keep the same tone.

For developers: use Cassio with the API

Add a voice element to any JSON2Video movie. It works the same from n8n, Make, Zapier and the CLI.

{
    "type": "voice",
    "model": "elevenlabs",
    "voice": "Jx7J2Fi5Ssla82TsW3YE",
    "text": "Na primavera, o jardim ganha vida com flores coloridas e pássaros cantando. A velha árvore de carvalho proporciona sombra para os visitantes, enquanto borboletas dançam entre as rosas. Uma pequena fonte cria sons relaxantes, tornando este o local perfeito para relaxar e apreciar a beleza da natureza."
}

Voice element reference

Browse more voices