● Live Data
Graph Tech · Guitars
Graph Tech PRB 4400 B0 Ratio Bass Machine Heads with Y-style knob - 4-in-line, bass side (left) - Black
£101.00Fair Value1 stores tracked
Buy Signal
Price near historical average — neutral outlook
Confidence: 50/100
RSI (14)
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Need 15+ data points
Volatility (ann.)
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Need more data
30d Momentum
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Need 30+ data points
Price Position
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No 90d range data
EMA 20
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EMA 50
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Need 50+ data points
90d Low / High
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30d Forecast
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→ Stable
Product Fundamentals
- The Graph Tech PRB-4400-B0 Ratio Bass Machine Heads are high-quality tuning machines for 4-string bass guitars with left-mounted 4-in-Line configuration. Thanks to the innovative Ratio system, each string has its own gear ratio, making tuning more consistent and faster. One full turn of the key always provides a tone difference, regardless of the string. With Y-Style Contemporary knobs, a sleek black finish and durable sealed construction, this set combines ease of use with style. An ideal upgrade for those seeking precision and reliability.
GearDeals Intelligence · Data from 0 historical price points · Analysis is informational only, not financial advice