| 【中古】Matador【名古屋】 | e-earphone.jp | 26505 JPY | 27,900 JPY | −5% |
| 【中古】Aviation ギャラクシー(ケーブル欠品)【秋葉原】 | e-earphone.jp | 14345 JPY | 15,100 JPY | −5% |
| 【中古】bijou【秋葉原】 | e-earphone.jp | 10830 JPY | 11,400 JPY | −5% |
| QOA Aviation | linsoul.kr | 282654 KRW | — | — |
| QOA Adonis New | linsoul.kr | 256115 KRW | — | — |
| QOA Whisky Cable | linsoul.kr | 112209 KRW | — | — |
| 【中古】Martini Limited Edition【秋葉原】 | e-earphone.jp | 78900 JPY | — | — |
| QOA Aviation | linsoul.jp | 32180 JPY | — | — |
| QOA Adonis New | linsoul.jp | 27150 JPY | — | — |
| 【中古】Adonis New【名古屋】 | e-earphone.jp | 14500.0 JPY | — | — |
| 【中古】Aviation ミラージュ【秋葉原】 | e-earphone.jp | 13200 JPY | — | — |
| QOA Whisky Cable | linsoul.jp | 12775 JPY | — | — |
| 【中古】Adonis【秋葉原】 | e-earphone.jp | 12300.0 JPY | — | — |
| 【中古】RUM 2Pin【秋葉原】 | e-earphone.jp | 8590 JPY | — | — |
| QoA Queen of Audio Martini 6 drivers Hybrid In ear Monitors | stereo.com.sg | 6045 SGD | — | — |
| 【中古】Vesper グリーン【秋葉原】 | e-earphone.jp | 5490 JPY | — | — |
| QoA Queen of Audio Matador Hybrid 6 drivers IEM | stereo.com.sg | 2943 SGD | — | — |
| QoA Queen of Audio Misty Blue Planar/Dynamic Hybrids In Ear Monitors | stereo.com.sg | 2565 SGD | — | — |
| QoA Queen of Audio Aviation In-Ear Monitors (3BA + 1 Dynamic) Hybrid | stereo.com.sg | 2338 SGD | — | — |
| QoA Mojito Six Balanced Armature In-Ear Monitors | my.e1personalaudio.com | 1869 MYR | 1,869 MYR | — |
| QoA Queen of Audio Mimosa In-Ear Monitors (1 Dynamic + 1 Planar drivers) | stereo.com.sg | 1279 SGD | — | — |
| QoA Adonis Triple Driver Hybrid In-Ear Monitors | my.e1personalaudio.com | 939 MYR | 939 MYR | — |
| QoA Pink Lady Triple Driver Hybrid In-Ear Monitors | my.e1personalaudio.com | 629 MYR | 629 MYR | — |
| QoA Mojito Six Balanced Armature In-Ear Monitors | sg.e1personalaudio.com | 599 SGD | 599 SGD | — |
| QoA Affinity Universal-Fit In-ear Monitors | my.e1personalaudio.com | 599 MYR | — | — |
| QoA Queen of Audio Matador | tkfoto.com.sg | 389 SGD | — | — |
| QoA Queen of Audio Misty Blue | tkfoto.com.sg | 339 SGD | — | — |
| QoA Vesper Dual Driver Hybrid In-Ear Monitors | my.e1personalaudio.com | 339 MYR | 339 MYR | — |
| QoA Queen of Audio Aviation | tkfoto.com.sg | 309 SGD | — | — |
| QoA Matador Hybrid 6‑Driver IEM – Power and Precision in Sound | mtmtaudio.com | 299.99 USD | — | — |
| QoA Matador Hybrid 6‑Driver IEM – Power and Precision in Sound | accessoryjack.com | 299.99 USD | — | — |
| QoA Adonis Triple Driver Hybrid In-Ear Monitors | sg.e1personalaudio.com | 299 SGD | 299 SGD | — |
| QoA Pink Lady Triple Driver Hybrid In-Ear Monitors | sg.e1personalaudio.com | 199 SGD | 199 SGD | — |
| Open Box QoA Aviation 3 Knowles BA+1 DD Hybrid In-Ear Monitors | hifigo.com | 199 USD | 199 USD | — |
| QoA Adonis 2 New 1DD+2BA Hybrid In Ear Earphones | hifigo.com | 181 USD | 181 USD | — |
| QoA Affinity Universal-Fit In-ear Monitors | sg.e1personalaudio.com | 179 SGD | 179 SGD | — |
| QoA Queen of Audio New Mimosa | tkfoto.com.sg | 169 SGD | — | — |
| QoA Queen of Audio Bijou | tkfoto.com.sg | 119 SGD | — | — |
| QoA Vesper Dual Driver Hybrid In-Ear Monitors | sg.e1personalaudio.com | 109 SGD | — | — |