5 documented inputs
IEC C14 + XLR female
- Arrives as
- 5 documented inputs
- Connector
- IEC C14 + XLR female
- Signal
- power
Power Amplifier
Crown XLS 1502 525-watt 2-channel Power Amplifier. Plan its source-defined physical connections and placement in your rig.
01 · What it does—and what that changes in your rig.
Start with the payoff, then work through how it functions, where it fits, and the details that change a real build.
Crown XLS 1502 525-watt 2-channel Power Amplifier. Plan its source-defined physical connections and placement in your rig.
02 · Know the whole path before you buy.
Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.
Each block answers the same three questions: what arrives, what changes here, and what leaves.
IEC C14 + XLR female
03 · What this product asks of the rest of the system.
Treat connector names as the start of the check—not the answer. These are the boundaries that determine a complete working path.
Use it when 2U and 195.58 mm of depth fit the case.
Complete the path with upstream and downstream gear that matches connector, direction, signal type, protocol, and wiring standard.
Documented connectors: aux terminal block3, IEC C14, speakon nl4, binding post pair. Match connector, direction, and signal type—not shape alone.
04 · Every connector, grouped by job.
Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.
Switch panels to keep the hardware view and the documented port list in sync.
| Port | Panel | Connector | Direction | Signal | Channels |
|---|---|---|---|---|---|
| AUX · SLEEP CONTACT CLOSURE 1–2 / AMP STATUS 3 | rear | aux terminal block3 | bidirectional | data | — |
| AC MAINS INPUT · IEC | rear | IEC C14 | input | power | — |
| CHANNEL 2 SPEAKON OUTPUT · 4 POLE | rear | speakon nl4 | output | analog audio | — |
| CHANNEL 1 SPEAKON OUTPUT · 4 POLE / BOTH CHANNELS AND BRIDGE | rear | speakon nl4 | output | analog audio | — |
| CHANNEL 2 BINDING POST OUTPUT PAIR | rear | binding post pair | output | analog audio | — |
| CHANNEL 1 BINDING POST OUTPUT PAIR | rear | binding post pair | output | analog audio | — |
| CHANNEL 2 BALANCED XLR INPUT | rear | XLR female | input | analog audio | — |
| CHANNEL 2 QUARTER-INCH INPUT / LINK OUT | rear | ¼-inch TRS | bidirectional | analog audio | — |
| CHANNEL 1 BALANCED XLR INPUT | rear | XLR female | input | analog audio | — |
| CHANNEL 1 QUARTER-INCH INPUT / LINK OUT | rear | ¼-inch TRS | bidirectional | analog audio | — |
| CHANNEL 1 RCA INPUT | rear | rca | input | analog audio | — |
| CHANNEL 2 RCA INPUT | rear | rca | input | analog audio | — |
Showing 12 of 12 documented physical ports. Scroll to review the remaining rows.
05 · Compare the decision, not just the price.
The rows are organized around fit, power, I/O, and system role so a cheaper unit cannot hide a more expensive workflow.
| Compare | ![]() | ![]() | ||
|---|---|---|---|---|
| Fit | 📐 2U | 📐 2U | 📐 2U | 📐 2U |
| Power | ⚡ Unverified | ⚡ 400W | ⚡ 350W | ⚡ Unverified |
| Weight | ⚖️ 8.6 lb | ⚖️ 25.4 lb | ⚖️ 30.9 lb | ⚖️ 18.5 lb |
| I/O | 🔌 12 | 🔌 12 | 🔌 5 | 🔌 10 |
| Estimate | 💵 ~$619 | 💵 ~$2,799 | 💵 ~$749 | 💵 ~$1,659 |
| Deep dive | Current selection | Full comparison → | Full comparison → | Full comparison → |
06 · Resolve the questions that can change the purchase or build plan.
Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.
It occupies 2U. Its documented depth is 195.58 mm.
Its power requirement is not yet verified in the catalog.
12 documented physical ports, including AUX · SLEEP CONTACT CLOSURE 1–2 / AMP STATUS 3, AC MAINS INPUT · IEC, CHANNEL 2 SPEAKON OUTPUT · 4 POLE, CHANNEL 1 SPEAKON OUTPUT · 4 POLE / BOTH CHANNELS AND BRIDGE, CHANNEL 2 BINDING POST OUTPUT PAIR, CHANNEL 1 BINDING POST OUTPUT PAIR.
07 · See this unit inside a real rack plan.
08 · Related gear, in the order you may need it.
Planning guides for power amplifier systems.