● Live Data
Sennheiser · HiFi Headphones
Sennheiser HD 660S2
£349.00
Strong Buy
3 stores trackedBuy Signal
Excellent entry point — multiple bullish signals aligned
Confidence: 76/100
RSI (14)
—
Need 15+ data points
Volatility (ann.)
86.9%
High risk
30d Momentum
+0.4%
Sideways →
Price Position
-30%
Near 90d Low 🟢
EMA 20
—
EMA 50
—
Need 50+ data points
90d Low / High
£358
High: £388.00
30d Forecast
—
→ Stable
Technical Price Chart
Store Intelligence
Price spread: £52.00 across 4 stores
◈ AI Recommendation EngineRule-based · v1
Strong Buy
Excellent entry point — multiple bullish signals aligned
Confidence: 76%
Reasons to Buy
✓Slightly below 90-day historical average (6.9%)
✓Near 90-day low — historically optimal entry point
✓4 stores competing — strong market competition keeps prices in check
✓Detailed product specifications available — transparent product information
Risks / Watch Out
✗High price volatility (87% annualised) — timing your purchase matters
Product Fundamentals
- Sennheiser HD 660S2
- Headphones
- Wired
- Circumaural
- Open design
- Dynamic
- Frequency range: 8 - 41,500 Hz
- Impedance: 300 Ohm
- Sound pressure level: 104 dB (1V)
- Driver size: 38 mm
- Distortion factor: <0.04% (1 kHz
- 100 dB)
- Velour ear pads
- Two-sided cable routing
- Weight: 260 g
- Colour: Black
- Incl. 1.8 m cable (6.3 mm stereo jack)
- 1.8 m cable (4.4 mm balanced)
- 6.3 mm to 3.5 mm stereo adapter and carrying pouch
- Made in Ireland
◉ From Our Partner Storescached 1h
Save a generous £100 on Sennheiser's superb open-back headphones - What Hi-Fi?
What Hi-Fi?· 102d ago
Sennheiser HD 660S2 audiophile headphones now available for $427.35 - Technobezz
Technobezz· 1d ago
A Deal That Hits for Audiophiles: The Sennheiser HD 660S2 Headphones Are 37% Off - PCMag
PCMag· 54d ago
Serious Audiophiles, Listen Up: The Sennheiser HD 660S2 Headphones Are $330 Off Right Now - MSN
MSN· 8d ago
Listen up! There's a 20% saving on Sennheiser's superb open-back headphones - What Hi-Fi?
What Hi-Fi?· 224d ago
GearDeals Intelligence · Data from 7 historical price points · Analysis is informational only, not financial advice