Mackie HM-400 | แอมป์ขยายหูฟัง 4 ch
แอมป์ขยายหูฟัง Mackie HM-400, Occupies 1 RU, 3-Headphone Outputs per Channel, XLR & 1/4″ Stereo Inputs and Outputs, 2-Band EQ, Balance, and Output Controls, L/R Mute Switches, Stereo/Mono Mode Switches, LED Metering, Includes Power Cable
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Tel: 02-991-8600, 086-514-5515
Mackie HM-400 แอมป์ขยายหูฟัง 4 ch
The Mackie HM-400 is a rack-mountable, 4-channel headphone amplifier designed to provide versatile headphone amplification for artists, musicians, and engineers monitoring through headphones in live stage applications and home, project, commercial, and mobile-recording studios. It features a stereo main output via XLR and 1/4″ jacks and twelve 1/4″ TRS stereo headphone outputs—three per channel—fed by a customizable blend of inputs.
One stereo main input via XLR and 1/4″ jacks can be mixed with a per-channel 1/4″ stereo aux input. Each channel offers 2-band EQ for quick tone shaping, stereo balance or main/aux input mix control, and output level adjustments. Also on each channel are switches for muting left and/or right signals and operating in stereo or mono. 7-segment LED meters display main input and per-channel output levels.
The HM-400 ships with an IEC power cable and occupies 1 RU in a standard 19″ rack.
Features:
- Distribute signal to up to twelve pairs of headphones
- One stereo main input via XLR or 1/4″ jacks
- One 1/4″ stereo aux input per channel
- One stereo main output via XLR or 1/4″ jacks
- Three 1/4″ headphone outputs—one on the front panel and two on the rear—per channel fed by an output level control
- 2-band EQ per channel for quick treble and bass adjustments
- Per-channel Balance knob allows control of left/right level balance or aux/main input mix
- Switches on each channel for L/R mute and St/2-Ch (stereo/mono) mode
- 7-segment LED metering for input and each output channel
- Heavy-gauge steel chassis for rugged durability
Specifications
Number of Channels | 4 |
Input Connections | 2 x XLR 3-pin balanced (one stereo pair) 2 x 1/4″ TRS balanced (one stereo pair, also accepts 1/4″ TS unbalanced) 1 x 1/4″ TRS stereo unbalanced for main input 4 x 1/4″ TRS stereo unbalanced for aux inputs |
Output Connectors | 2 x XLR 3-pin balanced (one stereo pair) 2 x 1/4″ TRS balanced (one stereo pair, also accepts 1/4″ TS unbalanced) 12 x 1/4″ TRS stereo unbalanced headphone outputs |
Maximum Input Level | Main Input: +15 dBu Aux Input: +20 dBu |
Maximum Output Level | Headphone Outputs: 550 mW per channel at 47 Ohms (+21 dBu) |
Input Impedance | Main Input: 20 kOhms balanced, 10 kOhms unbalanced Aux Input: 10 kOhms unbalanced |
Output Impedance | Headphone Outputs: 3 Ohms unbalanced |
Gain Range | Main Input: -66 to +18 dBu |
Function Controls | Power on/off Main level knob L/R mute switches per channel Stereo/2-Ch switches per channel 2-band EQ per channel Balance knob per channel Output knob per channel |
Frequency Response | 20 Hz to 20 kHz (±1 dB) |
THD | <0.01% (+4 dBu, 1 kHz, unity gain) |
Noise | -66 dB |
CMRR | Main Input: >42 dB at 1 kHz |
Display | 1 x input level meter 4 x output level meters |
Power Requirement | 100 to 120 VAC, 50/60 Hz, 24 W 220 to 240 VAC, 50/60 Hz, 24 W |
Power Connector | 1 x 3-pin IEC male, 250 VAC, 10 A |
Construction Material | Heavy-gauge steel chassis |
Dimensions (H x W x D) | 1.8 x 19.0 x 8.8″ / 46 x 483 x 224 mm |
Weight | 8 lb / 3.6 kg |
แบรนด์ (Brands) | Mackie |
---|---|
รุ่น | HM400 |
จำนวนช่อง (Channels) | 4 Channel |
สินค้า (Products) | Headphone หูฟัง |
สี (Color) | สีดำ |
ข้อมูลจำเพาะ | Mackie HM-400 แอมป์ขยายหูฟัง 4 ch |