# Broncolor Siros 400 S WiFi/RFS 2.1 Monolight: specs and price

**Price (US):** $2263.95 at broncolor.swiss (US retail price per a Newegg/Adorama-sourced listing. Broncolor's own Swiss site lists a European MSRP of €1,612.00 excluding VAT; Broncolor sells only through authorized photo dealers, not direct, so the US figure reflects typical dealer pricing rather than a manufacturer-stated US MSRP.), as of 2026-08-09. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 8 studio strobes we track it is the most expensive; category median $749.
**Brand:** Broncolor
**Deskmark:** Silver Deskmark — pay-blind category standing 27/100, #6 of 12 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $2263.95 |
| Brand | Broncolor |
| Power output ws | 400 |
| Flash duration t01 | 1/6500 sec at minimum energy to 1/1000 sec at maximum energy |
| Recycle time s | 0.02-0.95 |
| Ttl hss support | Manual only — no TTL, and no true HSS (the Siros 400 S does not support broncolor's HS/high-sync function, unlike the 800 S variant in the same line) |
| Modeling lamp (W) | 300 |
| Color temperature k | 5750 |
| Power source | AC only, auto-adapting 100-120V or 200-240V mains; no battery option (distinct from the battery-powered Siros L line) |

## Where it stands

At $2264, the Broncolor Siros 400 S WiFi/RFS 2.1 Monolight is the most expensive of the 8 studio strobes we track, where the median is $749. On the spec sheet, its power output ws of 400 is below the median of the 12.

## Frequently asked questions

**How much does the Broncolor Siros 400 S WiFi/RFS 2.1 Monolight cost?**

The Broncolor Siros 400 S WiFi/RFS 2.1 Monolight has a US price of $2263.95 (US retail price per a Newegg/Adorama-sourced listing. Broncolor's own Swiss site lists a European MSRP of €1,612.00 excluding VAT; Broncolor sells only through authorized photo dealers, not direct, so the US figure reflects typical dealer pricing rather than a manufacturer-stated US MSRP.), as of 2026-08-09.

**How does the Broncolor Siros 400 S WiFi/RFS 2.1 Monolight compare on price?**

At $2264, the Broncolor Siros 400 S WiFi/RFS 2.1 Monolight is the most expensive of the 8 studio strobes we track, where the median is $749.

**What are the Broncolor Siros 400 S WiFi/RFS 2.1 Monolight's key specs?**

Broncolor Siros 400 S WiFi/RFS 2.1 Monolight (Broncolor): power output ws 400, flash duration t01 1/6500 sec at minimum energy to 1/1000 sec at maximum energy, recycle time s 0.02-0.95, ttl hss support Manual only — no TTL, and no true HSS (the Siros 400 S does not support broncolor's HS/high-sync function, unlike the 800 S variant in the same line), modeling lamp w 300. Full sourced spec sheet verified 2026-08-09.

Source: https://broncolor.swiss/products/siros-s (broncolor.swiss, accessed 2026-08-09)
Corroboration: https://www.bhphotovideo.com/c/product/1084371-REG/broncolor_siros_400_s_wifi_rfs.html (accessed 2026-08-09)
Canonical: https://frontdeskreview.com/product/studio-strobes/broncolor-siros-400-s/
Cite: Per The Front Desk Review, the Broncolor Siros 400 S WiFi/RFS 2.1 Monolight price of record was $2263.95 as of 2026-08-09 — https://frontdeskreview.com/product/studio-strobes/broncolor-siros-400-s/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl