Relentless: Audiobook
Book 2 of the Quattro Security series
According to The Books Insider's catalog data, the Relentless audiobook runs 5.3 hours unabridged, narrated by Tim Paige and Stephanie Rose (about 3.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 5.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 11 days |
| 1 hour / day | 6 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 5.3 hours, it is shorter than 77% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.
Catching up on Quattro Security
This is book 2. Book 1 runs 5.5 hours before it; books 1 to 3 run 16.4 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Limitless | 5.5 hrs |
| 2 | Relentless | 5.3 hrs |
| 3 | Fearless | 5.5 hrs |
More narrated by Tim Paige
Tim Paige narrates 507 unabridged audiobooks in our catalog, 4,257 hours in all.
About as long, on the Action & Adventure (Fiction) shelf
349 Action & Adventure (Fiction) audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
Relentless is book 2 of C. B. Noy's Quattro Security series: a 5.3-hour unabridged recording, read by Tim Paige and Stephanie Rose, released January 28, 2025, on the Action & Adventure (Fiction) and Romance shelves.
The listen at a glance
- Length
- 5.3 hrs
- Narrated by
- Tim Paige, Stephanie Rose
- Released
- January 28, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Action & Adventure (Fiction), Romance
- Series
- Quattro Security #2
- ISBN
- 9798855549065
How to listen to Relentless free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Relentless audiobook?
Relentless runs 5.3 hours unabridged. At 1.5× speed that drops to roughly 3.5 hours.
Is the Relentless audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Relentless?
Relentless is narrated by Tim Paige and Stephanie Rose.