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AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$250
Around — community and catalog average, updates slowly
About the P2500S
The Yamaha P2500S is a two-channel, rack-mountable professional power amplifier designed for sound reinforcement and installation systems. It supports stereo, parallel, and bridged operation, and includes Yamaha EEEngine technology, selectable high-pass and low-pass filtering, and Yamaha Speaker Processing. Balanced XLR and 1/4-inch TRS inputs are provided, with speaker outputs via Speakon, binding posts, and 1/4-inch connectors. Yamaha lists the P-S series as discontinued; the specific discontinuation year is not established.
Specifications
Type: Two-channel professional power amplifier
Amplifier technology: Yamaha EEEngine
Operating modes: Stereo, parallel, bridge
Output power (20 Hz–20 kHz, THD+N 0.1%): 250 W × 2 at 8 Ω; 310 W × 2 at 4 Ω; 620 W bridged at 8 Ω
Output power (1 kHz, THD+N 1%): 275 W × 2 at 8 Ω; 390 W × 2 at 4 Ω; 780 W bridged at 8 Ω
Dynamic output (1 kHz, 20 ms burst): 650 W × 2 at 2 Ω; 1300 W bridged at 4 Ω
Frequency response: 20 Hz–20 kHz (+0 dB, −1.5 dB); manufacturer documentation also specifies response extending to 50 kHz under stated test conditions
Signal-to-noise ratio: 100 dB
Input impedance: 30 kΩ balanced; 15 kΩ unbalanced
Gain: 32.1 dB
Inputs: 2 × XLR; 2 × 1/4-inch TRS
Outputs: 2 × Speakon; 2 × 1/4-inch; binding posts
Dimensions (W × H × D): 480 × 88 × 456 mm
Weight: 14 kg