Alpine PDX 4.100 VS Alpine PDX 2.150
Alpine car amplifier reviews. After my resent port on the Apline PDX 4.150 I decided to go ahead and do a review of the PDX 4.100 and PDX 2.150. The whole Alpine PDX line comes with the really nice stackable design. The differences between the amps should be obvious. The PDX 4.100 has the 4/3/2 channel option but come with 100w x 4 at 4Ω. The PDX 2.150 is the only one of the three to have a one channel option. The amplifier come in the 2/1 channel option and has 150w x 2 at 4Ω.
Other than that and price the amplifiers are the same. The PDX4.150 price is 750.00, PDX4.100 price is 550.00 and the PDX 2.150 is at 450.00. These prices come off of Alpine’s webiste and your local dealer may be different.
PDX 4100 VS PDX 2150 Specs
Connectors: Quick Disconnect Terminals
Terminal Layout: One-Sided
Screw Mount/Wire Cover: Integrated Wire and Mounting Screw Terminals
Mounting Design: Easy Stacking
Amplifier Type: Class-D
Channel Design: 4/3/2 Channel 2/1 Channel
Thermal Control: Thermal Management Control
Power Supply: Fast Switching, Low Impedance, Direct Fets
Power Supply Design: DC-DC PWM Power Supply
Board Circuitry: STAR Circuit
Current Protection: Auto Over-Current Protection
Power Indicator: Top Mounted Blue LED Power/Status Indicator
RCA Output: Non-Fading Pre-Amp Output
Crossover: Adjustable Low Pass, High Pass
Connector Plating: Gold Plated Input, Output, Power and Speaker Terminals
Pre-Amp Stage: Discrete
Final Outputs: Fast Switching, Low Impedance, Direct Fets
Board Design: 4-Layer Glass Epoxy PC Board
Gain Control: Adjustable
RMS Power Ratings: Per channel at 4 Ohms 100W x 4 150W x 2
Crossover: Variable, 30-400Hz (-12dB / oct ), Low-Pass/High-Pass /OFF Selectable
Power Requirements: 14.4V DC (11V to 16V)
Input Sensitivity: 0.2V to 4.0V
Frequency Response: 20Hz – 20kHz (+0, -1dB)
Speaker Impedance: 4 or 2Ω
Signal to Noise: CEA 2006 S/N Ratio: 76 dBA 78 dBA
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