● Live Data
Sennheiser · HiFi Headphones
Sennheiser HD 400S
£51.90
Caution
1 stores trackedBuy Signal
Price above average — consider waiting
Confidence: 31/100
RSI (14)
—
Need 15+ data points
Volatility (ann.)
128.2%
High risk
30d Momentum
+6.1%
Rising ↑
Price Position
86%
Near 90d High 🔴
EMA 20
—
EMA 50
—
Need 50+ data points
90d Low / High
£46
High: £52.90
30d Forecast
—
→ Stable
Technical Price Chart
◈ AI Recommendation EngineRule-based · v1
Caution
Price above average — consider waiting
Confidence: 31%
Reasons to Buy
✓2 stores available — decent price competition
✓Detailed product specifications available — transparent product information
Risks / Watch Out
✗Currently at or above the 90-day average price
✗Price rising 6.1% over 30 days — upward pressure, consider acting soon
✗High price volatility (128% annualised) — timing your purchase matters
Product Fundamentals
- Sennheiser HD 400S
- Headphones
- Dynamic
- Closed
- Circumaural
- Foldable
- Maximum sound pressure level (1 kHz / 1V RMS): 120 dB
- Impedance: 18 Ohm
- Frequency range: 18 - 20000 Hz
- Distortion factor (1 kHz): <0.5
- Cable with 1-button remote control and microphone
- 1.4 m Cable with 3.5 mm angled jack plug on one end
- Weight: 217 g
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GearDeals Intelligence · Data from 5 historical price points · Analysis is informational only, not financial advice