Description
Description
The Apple AirPods Max (USB-C) in Midnight (Part Number: MHWK4AM/A) represents Apple’s flagship over-ear, high-fidelity wireless headphone platform. Engineered around a custom Apple-designed dynamic driver and powered by dual Apple H1 headphone chips, the AirPods Max combines bespoke computational audio with pro-level Active Noise Cancellation (ANC) and Personalized Spatial Audio with dynamic head tracking for cinematic immersion.
This updated model transitions to a USB-C interface, offering both unified charging with modern Apple devices and direct wired lossless audio playback with ultra-low latency. Crafted with an anodized aluminum ear-cup enclosure, a breathable knit-mesh canopy headband, and memory foam ear cushions, the AirPods Max delivers an exceptional seal for high-resolution acoustics, seamless multi-device switching, and intuitiveness via Apple’s tactile Digital Crown.
Specifications
| Feature | Specification |
| Product Category | Professional Analog Wireless Handheld Transmitter |
| Brand / Ecosystem | AKG / HARMAN Professional WMS470 System Series |
| Model / Part Number | HT470 D5 Band 10 (SKU: 3301X00220) |
| Microphone Capsule | Integrated AKG D5 Professional Dynamic Capsule |
| Polar Pattern | Supercardioid |
| Frequency Band / RF Power | Band 10 / Switchable up to 50mW RF Output Power |
| Switching Bandwidth | 30 MHz (up to 1220 selectable frequencies in 25kHz steps) |
| Audio Frequency Range | $35\text{ Hz} – 20,000\text{ Hz}$ |
| Signal-to-Noise Ratio | $120\text{ dBA}$ |
| THD at 1 kHz | 0.7% |
| Antenna Architecture | Built-in Dipole Antenna (Prevents hand-shielding signal loss) |
| Synchronization | Automatic Infrared (IR) Data Link Synchronization |
| Control Signal | Continuous Pilot Tone Transmission (Battery monitoring & Squelch) |
| Battery Type & Runtime | 1Ă— AA Battery: 14 Hours (Lithium) / 8 Hours (NiMH) / 7 Hours (Alkaline) |
| Charging Contacts | Integrated Base Contacts for Direct Charging via CU400 Dock |
| Chassis Dimensions | $237\text{ mm} \times 51\text{ mm}$ ($9.3\text{ in} \times 2.0\text{ in}$) |
| Net Unit Weight | 240 grams ($8.4\text{ oz}$) |

































