Ultima Atom Buds 2 vs Ultima Boom X1 Pro Full Specification Comparison
| Specs | Ultima Atom Buds 2 | Ultima Boom X1 Pro | |
|---|---|---|---|
Launch | |||
| Date | In Nepal: December 14, 2025 December 14, 2025 | May 23, 2025 In Nepal: May 23, 2025 | |
| Market Status | In stock | In stock | |
Type | |||
| Fit | In-ear | In-ear | |
| Series | Atom | Boom | |
Body | |||
| Dimensions (W x D x H) | Unspecified | Unspecified | |
| Weight | Unspecified | Unspecified | |
| IP Rating | Earbuds: IPX4 splash resistance Case: Unspecified | Earbuds: IPX5 splash resistance Case: Unspecified | |
| Colors | Ebony Black, Pebble Grey, Pebble Blue | Carbon Black, Forest Green, Ice Blue | |
| Ear Tip Sizes | Unspecified | S, M, L | |
Audio | |||
| Driver | 10mm drivers | 11 mm dynamic drivers | |
| Codecs | AAC, SBC | AAC, SBC | |
| Frequency Response | 20 Hz – 20 kHz | 20 Hz - 20 kHz | |
| Microphone | 4 mics | 4 mics (2 on each side) | |
| Noise Cancellation | No | Yes (dB unspecified) | |
| 360 Audio | No | No | |
| Others | Unspecified | AI Crystal Clear Call Algorithm | |
Connectivity | |||
| Bluetooth | 5.4 | 5.4 | |
| Multi-Pairing | Yes (Dual-connection support) | No | |
| Companion App | Ultima link | Ultima link | |
Battery | |||
| Size | 30 mAh (buds) / 700 mAh (case)) | 30 mAh (buds) / 400 mAh (case) | |
| Music Playback | 7 hours (buds) / Unspecified (case) | 4 hours (buds) / 40 hours (case) | |
| Talk Time | 6 hours (buds) / Unspecified (case) | 4 hours (buds) / Unspecified (case) | |
| Charging | 1 hour (buds) / 2 hours (case) | 1.5 hours (buds) / 1.5 hours (case) Quick charge: 10 minutes = 2 hours playback | |
Extras | |||
| Features | IWP instant pairing, touch controls, voice assistant support (Google & Siri), transparency mode | 40 ms Low Latency, Swift Pair | |
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