Thieaudio Monarch Mk3 [Pre-order] vs OpenAudio Siren

Every tracked fact about the two, side by side - prices, history lows, ratings and measured tuning. No verdict: which one to buy is the visitor's decision, always.

Thieaudio Monarch Mk3 [Pre-order] ThieAudio Now ₹99,300 at Hangout Audio Lowest ever ₹99,300 on Tuesday, 22nd Sept, 2026 Full prices & history

OpenAudio Siren open Now ₹24,004 at Linsoul Lowest ever ₹23,952 on Thursday, 24th Sept, 2026 Full prices & history

Measured tuning, side by side

Both curves are real community measurements (gold: Thieaudio Monarch Mk3 [Pre-order] · ink: OpenAudio Siren). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

Thieaudio Monarch Mk3 [Pre-order] OpenAudio Siren

Tuning distance±1.30 dB RMS92% match - Very close. Computed on a shared 40-point log grid, 20 Hz–10 kHz. A measurement-space fact, not a promise two ears agree.

What a curve cannot seeBuild, driver QC unit-to-unit, comfort, isolation, accessories, warranty and resale value sit outside the graph - usually what the pricier one is charging for.

The decision, factually

Cheaper right nowOpenAudio SirenLowest current price across all tracked stores - ₹24,004 vs ₹99,300.

Deepest discount ever seenOpenAudio SirenFrom each product's own recorded price history.

This page reports facts and expresses no opinion on which to purchase.