The Sanyo DCX-2500X Vintage 1970's Integrated HiFi Amplifier Receiver is a classic audio component known for its performance and vintage appeal.

1. **Power Output**:
   - Output Power: Typically rated in watts per channel (WPC) into a specified load impedance (e.g., 8 ohms).
   - Power Range: Varies depending on the model but can range from 20WPC to 100WPC or more.

2. **Audio Features**:
   - Amplification: Built-in amplification for driving speakers.
   - Phono Input: Dedicated input for connecting a turntable with a phono cartridge.
   - Audio Inputs: Multiple inputs for connecting various audio sources such as CD players, tape decks, and digital audio players.
   - Tone Controls: Bass, treble, and possibly midrange controls for adjusting the sound characteristics.

3. **Tuner Section**:
   - AM/FM Tuner: Built-in tuner for receiving AM and FM radio signals.
   - Tuning Controls: Tuning knobs or buttons for selecting radio stations.
   - Presets: Supports storing and recalling favorite radio stations.

4. **Connectivity**:
   - Speaker Outputs: Binding posts or spring clips for connecting passive speakers.
   - Audio Outputs: May include preamp outputs for connecting to external amplifiers or recorders.
   - Headphone Output: Jack for connecting headphones for private listening.

5. **Display and Controls**:
   - Front Panel Display: Typically includes indicators for power, input selection, volume level, and other functions.
   - Control Knobs and Buttons: Standard controls for adjusting volume, selecting input sources, and navigating settings.

6. **Construction**:
   - Build Quality: Typically features a sturdy metal or wood enclosure for durability.
   - Vintage Design: Reflects the aesthetics and design trends of the 1970s era.

7. **Dimensions and Weight**:
   - Dimensions: Varies depending on the specific model but typically designed to fit in standard audio racks or shelves.
   - Weight: Varies based on construction and components used.

Regarding the condition mentioned:

- **Fully Operational**: Indicates that the amplifier receiver is in working order and has been tested to ensure proper operation. This is an important assurance for vintage equipment, as components may degrade over time.