Pimping Your Ride with Sony's XM-ZR704 Amp and XS-GTX Speakers
Amplifier Section
- Max power output: 700W max power
- Power Ad Hoc: 70W per channel at 4 Ohms from 20Hz-20kHz with < 1% THD1
- Speaker Impedance: 2-8 Ohm stereo (4-8 Ohms mono)
Inputs and Outputs
- Audio In: RCA Pin Jacks, High Level Input Connector
- Audio Out: Speaker Terminals
- Input(s): RCA Pin Jacks and High Level Speaker Input Connector
- Line Level Input(s): RCA pin jacks
- Output(s): Speaker Terminals
- RCA Audio Input(s): Pin Jacks: 0.3 - 6V
Weights and Measurements
- Dimensions (Approx) Depth: 9-7/8"
- Dimensions (Approx) Height: 2-1/4"
- Dimensions (Approx) Width: 16-3/4"
- Dimensions (Approx.): 16-3/4 x 2-1/4 x 9-7/8" (424 x 55 x 248 mm)
- Weight (Approx.): 6lb 14oz
Audio
- Band: Low Pass Filter: 50-300 HZ, -12dB/octHigh Pass Filter: 50-300 HZ, -12dB/oct
- Circuit System: OTL Output Transformerless CircuitPulse Power Supply
- Frequency Response: 10-100kHz (+0/-3 dB)
- Harmonic Distortion: 0.05% (1kHz)
- Impedance: 2-8 Ohms Stereo,4-8 Ohms Mono
- Input Level: 0.3 - 6.0V (RCA input)1.2 - 12.0V (High Level Input)
- Low Boost: 0-10dB (40Hz)
- Noise Level: 93 dBA
- Power Supply: OTL Output Transformerless CircuitPulse Power Supply
- Signal Circuitry: 6-70Hz Variable -12 dB/Octave Subsonic filter
Audio Features
- Level Control: High Level Input: 3.0 - 12V
Speaker
- Impedance: 2-8 Ohms in Stereo Mode (4-8 Ohms mono)
- Speaker Terminal Type: Gold plated terminals
Power
- Current Drain: At rated output: 45A (at 2 Ohms) Remote Input: 1 mA
- Input Voltage: 10.5-16V Power Supply Voltage
- Internal Power Supply: OTL Output Transformerless CircuitPulse Power Supply
- Output Power: Maximum Output: 350W x 2 (at 4 Ohms); 150W x 4 (at 4 Ohms)
- Power Requirements: 12V DC Car Battery (Negative Ground)
- Rated Output: 70W x 4 (20Hz-20kHz, 1% THD, at 4 Ohms, 14.4V)80W x 4 (20Hz-20kHz, 1% THD, at 2 Ohms, 14.4V)160W x 2 (20Hz-20kHz, 1% THD, at 4 Ohms, 14.4V)
Pros
- Articulate highs
- Easy and flexible installation
- Easy amp terminations
Cons
- A tad bright out of the box
Introduction
It's not often that you get a chance to "pimp" your ride, so when Sony suggested we take a look at their newest ZR Series amplifier and their GTX speakers, we ran out and immediately located a victim, er... test vehicle. The experiment was simple: remove the stock system and replace it with the upgraded amplifier and speakers and note the differences. The proposition was this: would an upgrade of just the speakers make a huge enough difference in a car audio system? Or does it take a complete overhaul. Well, the results were eye-opening to say the least, but we actually ran the experiment both ways (having installed a separate XAV-701HD head unit in a separate vehicle, while keeping the stock speakers) and this was part 2.
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