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Kramer Tools 903 25 Watt Stereo Amplifier
  • Kramer Tools 903 25 Watt Stereo Amplifier
  • Kramer Tools 903 25 Watt Stereo Amplifier
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Kramer Tools 903 25 Watt Stereo Amplifier

Manufacturer: Kramer

Item #: KR-903   •   MFG #: 903


List Price:$250.00
Our Price:$200.00

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Availability: Direct Ship From Manufacturer
Item ships directly from the manufacturer. Normal delivery time is 2-7 business days and is subject to manufacturer availability. Need it sooner? Call 800-522-2025, or email Customer Service for expedited delivery options.
  • 2 - 7 Day Normal Delivery Time - Faster Shipping Options at Checkout or Call Us.



The KR-903 is a high performance, high power, Personal Stereo Amplifier for multimedia and presentation applications or local audio amplification. It can be quickly set up and features easy control of Volume, Bass, Mid, Treble, and stereo Balance settings on front panel control buttons.

The machine also has "Loudness" switch for automatic equalization in low volume listening. It can output up to 25-Watts peak, far more than is needed for personal and small presentation applications.

The KR-903 has four inputs - three inputs on standard RCA connectors and one on a mini 3.5 mm socket for easy interface with a sound card or any music player (portable CD player, mini disk player,Walkman(r), etc.) It also features headphone and loudspeaker outputs, and the loudspeakers are automatically disconnected when the headphones are plugged in.

  • Specifications

    • INPUTS: 1 unbalanced stereo audio, 1Vpp/50kΩ on a 3.5mm mini jack; 3 unbalanced stereo audio, 1Vpp/50kΩ on RCA connectors.
    • OUTPUTS: Stereo headphone on a 6.5mm connector; loudspeakers on a terminal block connector; automatic switching when headphones are plugged in.
    • OUTPUT POWER: 2x10W (4Ω).
    • OUTPUT MUSIC POWER: 2x40W (4Ω).
    • BANDWIDTH (-3dB): 20kHz.
    • S/N RATIO: 77dB @1kHz.
    • CROSSTALK: -73dB @1kHz, all hostile.
    • CONTROLS: Input selector switches: bass (70Hz), mid (1kHz), treble (15kHz): +/-13dB; volume, balance and loudness controls.
    • AUDIO THD + NOISE: 0.5%.
    • AUDIO 2nd HARMONIC: 0.3%.
    • POWER CONSUMPTION: 12V DC, up to 2.5A.
    • DIMENSIONS: 19cm x 13.5cm x 2.5cm (7.5” x 5.3” x 0.98”) W, D, H.
    • WEIGHT: 0.6kg (1.32lbs) approx.
    • ACCESSORIES: Power supply.
    • OPTIONS: RK-T2B 19" rack adapter.