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Infinity Primus 6002A 2-Channel Amplifier
MRP: $155.87 Offer Price: $109.19
The Infinity Reference 3002A is a compact yet powerful 2-channel amplifier designed to deliver clean, dynamic sound to your car’s audio system. With flexible stereo or bridged modes, it’s perfect for powering door speakers, component systems, or a small subwoofer — all with Infinity’s signature clarity and reliability.
Description
Key Specifications
| Parameter | Value |
|---|---|
| Channels | 2 (stereo) Sound of Tri-State+2infinity-caraudio.com.au+2 |
| RMS Power Output (4 Ω) | 60 W × 2 Crutchfield+2infinity-caraudio.com.au+2 |
| RMS Power Output (2 Ω) | 70 W × 2 Crutchfield+2infinity-caraudio.com.au+2 |
| Bridged Output (4 Ω bridged) | 140 W × 1 Crutchfield+2infinity-caraudio.com.au+2 |
| Peak Power | ≈ 280 W (peak from specifications) infinity-caraudio.com.au+2Crutchfield+2 |
| Frequency Response | 20 Hz – 20,000 Hz (±1 dB) infinity-caraudio.com.au+1 |
| THD + Noise at Rated Power | < 1% infinity-caraudio.com.au+1 |
| Signal-to-Noise Ratio | > 75 dB infinity-caraudio.com.au+2Freemans Car Stereo+2 |
| Input Sensitivity / Gain Range | Line inputs: 0.2 V to 5.0 V; High/speaker-level inputs: 0.5 V to 12 V infinity-caraudio.com.au+1 |
| Crossover Controls | Variable high-pass & low-pass filters (32 Hz – 320 Hz), 12 dB/octave slope Crutchfield+2infinity-caraudio.com.au+2 |
| Bass Boost | 0-12 dB at ~45 Hz boost available Crutchfield+1 |
| Operating / Supply Voltage | 9 – 16 V DC (automotive voltage range) infinity-caraudio.com.au+1 |
| Quiescent Current (Idle) | < 1 A infinity-caraudio.com.au+1 |
Physical & Build Details
| Parameter | Value |
|---|---|
| Dimensions (H × W × L) | approx 50.6 mm × 145 mm × 156.6 mm infinity-caraudio.com.au+1 |
| Weight | ~ 1.16 kg Freemans Car Stereo+2infinity-caraudio.com.au+2 |
| Fuse Rating | 20 A fuse Sound of Tri-State+2infinity-caraudio.com.au+2 |
| Connections | Line-level (RCA) inputs; speaker-level inputs (for factory radios without RCA outs) Crutchfield+2infinity-caraudio.com.au+2 |
| Protection | On-board protection for over-temperature, over/under voltage, short circuits etc. infinity-caraudio.com.au+1 |
What You Can Expect in Use
Strengths
-
Good value for modest upgrades: If your car stereo/head unit is limited, this amp gives you better clean power to drive speakers, reducing distortion and improving clarity.
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Flexible use: You can run front speakers, rear, or bridge it to run a small sub. The crossover and bass-boost features help with tailoring sound.
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Versatile inputs: Speaker-level input means you can use it even if your head unit doesn’t have RCAs.
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Compact size makes it easier to install in many cars without requiring a lot of space.
Limitations / What to Watch Out For
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60 W × 2 (at 4 Ω) is fine for mid-size speakers, but for large woofers or very loud bass you may need more power. The bridged mode helps, but still has limits.
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Performance (especially bass and headroom) depends heavily on power wiring quality, battery/alternator health, and mounting/ventilation (to avoid overheating).
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Bass-boost is useful, but pushing it too much will stress the amp or cause distortion.
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If demanding sub bass (very low frequencies), this amp alone might not achieve deep, punchy lows — a dedicated subwoofer amp may be needed.
1 review for Infinity Primus 6002A 2-Channel Amplifier
Infinity Primus 6002A 2-Channel Amplifier
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