Peavey / Crest Audio CPX 2 Professional Touring & Install Power Amplifier
Powerful, versatile Class‑AB amplifier with built‑in crossover and protection — ideal for touring rigs, PA systems, installations and live sound setups.
The CPX 2 is a high‑performance, dual‑channel power amplifier from the Crest Audio CPX series — designed to deliver robust, clean amplification for speakers, subwoofers and full‑range systems in demanding environments. With support for low‑impedance loads down to 2 Ω per channel (or 4 Ω bridged), and ample wattage across common loads, the CPX 2 is suited for concert venues, clubs, houses of worship, studios and fixed installations needing dependable output and flexibility. Built‑in crossover, low‑cut filter, versatile inputs and outputs, plus reliable protection circuitry make CPX 2 a workhorse amplifier for a wide range of audio applications.
Key Features
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Flexible power output: 450 W per channel @ 2 Ω, 690 W @ 4 Ω, 430 W @ 8 Ω; in bridged‑mono mode up to 1,380 W @ 8 Ω / 900 W @ 4 Ω.
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Supports low‑impedance loads (2 Ω): Great for demanding speaker loads or multiple‑cabinet configurations.
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Built‑in crossover & low‑cut filter: Fixed 150 Hz Linkwitz‑Riley crossover and 40 Hz low‑cut filter — useful for subwoofer setups or protecting speakers from low‑frequency rumble.
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GCL™ Gain Comparator Limiting with defeat‑switch: Monitors input/output gain — automatically reduces signal to protect speakers from transients, clipping or high‑current spikes.
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Wide connectivity options: Inputs via barrier strip and XLR/¼″ combo TRS; outputs via 3 × 4‑pin Twist‑Lock plus 2 × binding posts for stereo or bridged mono.
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Stereo / Bridged‑Mono selectable mode: Versatile operation — choose stereo for two‑channel rigs or bridged for high‑power single‑channel needs.
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Two‑speed DC cooling fan & dual‑voltage support: Reliable cooling and international voltage compatibility (115 V / 230 V) — suitable for touring or global installations.
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Rack‑mountable 2U chassis: 19″ rack width, compact enough for pro racks — ideal for studios, venues or portable rigs.
Technical Specifications
| Channels (Input / Output) |
2 (stereo) / 2 (stereo or bridged mono) |
| Power Output @ 2 Ω (per channel) |
450 W |
| Power Output @ 4 Ω (per channel) |
690 W |
| Power Output @ 8 Ω (per channel) |
430 W |
| Bridged Output Power |
1,380 W @ 8 Ω / 900 W @ 4 Ω |
| Minimum Load Impedance |
2 Ω stereo / 4 Ω bridged |
| Frequency Response |
12 Hz – 35 kHz, +0 / –2 dB @ 1 W |
| Inputs |
Barrier strip & XLR‑¼″ combo TRS (plus ¼″ jack daisy‑chain output) |
| Outputs |
3 × 4‑pin Twist‑Lock + 2 × binding post (stereo or bridged) |
| Built‑in Filters/Crossover |
150 Hz low‑pass crossover, 40 Hz low‑cut filter, each channel with independent switchable in/out |
| Cooling / PSU |
Two‑speed DC fan, dual‑voltage 115/230 V AC with selector |
| Rack Size |
19″, 2U (89 mm height) |
| Net Weight |
≈ 20.5 kg (45 lbs) |
| Chassis Color |
Black |
Best For
- Live sound rigs, concerts, club shows and event stages needing reliable, high‑current amplification.
- PA systems, auditoriums, houses of worship or halls requiring robust power and flexibility for full‑range speakers or subwoofers.
- Fixed installations or touring setups — rack‑mountable design and dual‑voltage support make it easy to integrate or transport.
- Systems requiring bridging for increased output — suitable for driving large speakers or subwoofer stacks.
- Portable rigs, DJ setups, rental sound systems — strong power, protection features, and versatile connectivity for varied speaker loads.